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3ada94ba BF |
1 | /* |
2 | * The simplest mpeg encoder (well, it was the simplest!) | |
406792e7 | 3 | * Copyright (c) 2000,2001 Fabrice Bellard |
3ada94ba BF |
4 | * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> |
5 | * | |
7b94177e DB |
6 | * 4MV & hq & B-frame encoding stuff by Michael Niedermayer <michaelni@gmx.at> |
7 | * | |
2912e87a | 8 | * This file is part of Libav. |
3ada94ba | 9 | * |
2912e87a | 10 | * Libav is free software; you can redistribute it and/or |
3ada94ba BF |
11 | * modify it under the terms of the GNU Lesser General Public |
12 | * License as published by the Free Software Foundation; either | |
13 | * version 2.1 of the License, or (at your option) any later version. | |
14 | * | |
2912e87a | 15 | * Libav is distributed in the hope that it will be useful, |
3ada94ba BF |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
18 | * Lesser General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU Lesser General Public | |
2912e87a | 21 | * License along with Libav; if not, write to the Free Software |
3ada94ba | 22 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
3ada94ba BF |
23 | */ |
24 | ||
25 | /** | |
ba87f080 | 26 | * @file |
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27 | * The simplest mpeg encoder (well, it was the simplest!). |
28 | */ | |
29 | ||
94ca624f | 30 | #include "libavutil/intmath.h" |
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31 | #include "avcodec.h" |
32 | #include "dsputil.h" | |
33 | #include "mpegvideo.h" | |
34 | #include "mpegvideo_common.h" | |
c46eeae2 | 35 | #include "h263.h" |
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36 | #include "mjpegenc.h" |
37 | #include "msmpeg4.h" | |
38 | #include "faandct.h" | |
8b22017f | 39 | #include "aandcttab.h" |
eb523769 | 40 | #include "flv.h" |
ca334dd1 | 41 | #include "mpeg4video.h" |
7ffd8332 | 42 | #include "internal.h" |
3ada94ba BF |
43 | #include <limits.h> |
44 | ||
45 | //#undef NDEBUG | |
46 | //#include <assert.h> | |
47 | ||
48 | static int encode_picture(MpegEncContext *s, int picture_number); | |
49 | static int dct_quantize_refine(MpegEncContext *s, DCTELEM *block, int16_t *weight, DCTELEM *orig, int n, int qscale); | |
50 | static int sse_mb(MpegEncContext *s); | |
1d4da6a4 DEP |
51 | static void denoise_dct_c(MpegEncContext *s, DCTELEM *block); |
52 | static int dct_quantize_trellis_c(MpegEncContext *s, DCTELEM *block, int n, int qscale, int *overflow); | |
3ada94ba BF |
53 | |
54 | /* enable all paranoid tests for rounding, overflows, etc... */ | |
55 | //#define PARANOID | |
56 | ||
57 | //#define DEBUG | |
58 | ||
3ada94ba BF |
59 | static uint8_t default_mv_penalty[MAX_FCODE+1][MAX_MV*2+1]; |
60 | static uint8_t default_fcode_tab[MAX_MV*2+1]; | |
61 | ||
69cea75f | 62 | void ff_convert_matrix(DSPContext *dsp, int (*qmat)[64], uint16_t (*qmat16)[2][64], |
3ada94ba BF |
63 | const uint16_t *quant_matrix, int bias, int qmin, int qmax, int intra) |
64 | { | |
65 | int qscale; | |
66 | int shift=0; | |
67 | ||
68 | for(qscale=qmin; qscale<=qmax; qscale++){ | |
69 | int i; | |
70 | if (dsp->fdct == ff_jpeg_fdct_islow | |
71 | #ifdef FAAN_POSTSCALE | |
72 | || dsp->fdct == ff_faandct | |
73 | #endif | |
74 | ) { | |
75 | for(i=0;i<64;i++) { | |
76 | const int j= dsp->idct_permutation[i]; | |
77 | /* 16 <= qscale * quant_matrix[i] <= 7905 */ | |
5bdf124c DB |
78 | /* 19952 <= ff_aanscales[i] * qscale * quant_matrix[i] <= 249205026 */ |
79 | /* (1 << 36) / 19952 >= (1 << 36) / (ff_aanscales[i] * qscale * quant_matrix[i]) >= (1 << 36) / 249205026 */ | |
80 | /* 3444240 >= (1 << 36) / (ff_aanscales[i] * qscale * quant_matrix[i]) >= 275 */ | |
3ada94ba BF |
81 | |
82 | qmat[qscale][i] = (int)((UINT64_C(1) << QMAT_SHIFT) / | |
83 | (qscale * quant_matrix[j])); | |
84 | } | |
85 | } else if (dsp->fdct == fdct_ifast | |
86 | #ifndef FAAN_POSTSCALE | |
87 | || dsp->fdct == ff_faandct | |
88 | #endif | |
89 | ) { | |
90 | for(i=0;i<64;i++) { | |
91 | const int j= dsp->idct_permutation[i]; | |
92 | /* 16 <= qscale * quant_matrix[i] <= 7905 */ | |
5bdf124c DB |
93 | /* 19952 <= ff_aanscales[i] * qscale * quant_matrix[i] <= 249205026 */ |
94 | /* (1 << 36) / 19952 >= (1 << 36) / (ff_aanscales[i] * qscale * quant_matrix[i]) >= (1<<36)/249205026 */ | |
95 | /* 3444240 >= (1 << 36) / (ff_aanscales[i] * qscale * quant_matrix[i]) >= 275 */ | |
3ada94ba BF |
96 | |
97 | qmat[qscale][i] = (int)((UINT64_C(1) << (QMAT_SHIFT + 14)) / | |
5bdf124c | 98 | (ff_aanscales[i] * qscale * quant_matrix[j])); |
3ada94ba BF |
99 | } |
100 | } else { | |
101 | for(i=0;i<64;i++) { | |
102 | const int j= dsp->idct_permutation[i]; | |
103 | /* We can safely suppose that 16 <= quant_matrix[i] <= 255 | |
104 | So 16 <= qscale * quant_matrix[i] <= 7905 | |
105 | so (1<<19) / 16 >= (1<<19) / (qscale * quant_matrix[i]) >= (1<<19) / 7905 | |
106 | so 32768 >= (1<<19) / (qscale * quant_matrix[i]) >= 67 | |
107 | */ | |
108 | qmat[qscale][i] = (int)((UINT64_C(1) << QMAT_SHIFT) / (qscale * quant_matrix[j])); | |
109 | // qmat [qscale][i] = (1 << QMAT_SHIFT_MMX) / (qscale * quant_matrix[i]); | |
110 | qmat16[qscale][0][i] = (1 << QMAT_SHIFT_MMX) / (qscale * quant_matrix[j]); | |
111 | ||
112 | if(qmat16[qscale][0][i]==0 || qmat16[qscale][0][i]==128*256) qmat16[qscale][0][i]=128*256-1; | |
113 | qmat16[qscale][1][i]= ROUNDED_DIV(bias<<(16-QUANT_BIAS_SHIFT), qmat16[qscale][0][i]); | |
114 | } | |
115 | } | |
116 | ||
117 | for(i=intra; i<64; i++){ | |
118 | int64_t max= 8191; | |
119 | if (dsp->fdct == fdct_ifast | |
120 | #ifndef FAAN_POSTSCALE | |
121 | || dsp->fdct == ff_faandct | |
122 | #endif | |
123 | ) { | |
5bdf124c | 124 | max = (8191LL*ff_aanscales[i]) >> 14; |
3ada94ba BF |
125 | } |
126 | while(((max * qmat[qscale][i]) >> shift) > INT_MAX){ | |
127 | shift++; | |
128 | } | |
129 | } | |
130 | } | |
131 | if(shift){ | |
132 | av_log(NULL, AV_LOG_INFO, "Warning, QMAT_SHIFT is larger than %d, overflows possible\n", QMAT_SHIFT - shift); | |
133 | } | |
134 | } | |
135 | ||
136 | static inline void update_qscale(MpegEncContext *s){ | |
137 | s->qscale= (s->lambda*139 + FF_LAMBDA_SCALE*64) >> (FF_LAMBDA_SHIFT + 7); | |
138 | s->qscale= av_clip(s->qscale, s->avctx->qmin, s->avctx->qmax); | |
139 | ||
140 | s->lambda2= (s->lambda*s->lambda + FF_LAMBDA_SCALE/2) >> FF_LAMBDA_SHIFT; | |
141 | } | |
142 | ||
143 | void ff_write_quant_matrix(PutBitContext *pb, uint16_t *matrix){ | |
144 | int i; | |
145 | ||
146 | if(matrix){ | |
147 | put_bits(pb, 1, 1); | |
148 | for(i=0;i<64;i++) { | |
149 | put_bits(pb, 8, matrix[ ff_zigzag_direct[i] ]); | |
150 | } | |
151 | }else | |
152 | put_bits(pb, 1, 0); | |
153 | } | |
154 | ||
9015b095 MN |
155 | /** |
156 | * init s->current_picture.qscale_table from s->lambda_table | |
157 | */ | |
158 | void ff_init_qscale_tab(MpegEncContext *s){ | |
159 | int8_t * const qscale_table= s->current_picture.qscale_table; | |
160 | int i; | |
161 | ||
162 | for(i=0; i<s->mb_num; i++){ | |
163 | unsigned int lam= s->lambda_table[ s->mb_index2xy[i] ]; | |
164 | int qp= (lam*139 + FF_LAMBDA_SCALE*64) >> (FF_LAMBDA_SHIFT + 7); | |
165 | qscale_table[ s->mb_index2xy[i] ]= av_clip(qp, s->avctx->qmin, s->avctx->qmax); | |
166 | } | |
167 | } | |
168 | ||
3ada94ba BF |
169 | static void copy_picture_attributes(MpegEncContext *s, AVFrame *dst, AVFrame *src){ |
170 | int i; | |
171 | ||
172 | dst->pict_type = src->pict_type; | |
173 | dst->quality = src->quality; | |
174 | dst->coded_picture_number = src->coded_picture_number; | |
175 | dst->display_picture_number = src->display_picture_number; | |
176 | // dst->reference = src->reference; | |
177 | dst->pts = src->pts; | |
178 | dst->interlaced_frame = src->interlaced_frame; | |
179 | dst->top_field_first = src->top_field_first; | |
180 | ||
181 | if(s->avctx->me_threshold){ | |
182 | if(!src->motion_val[0]) | |
183 | av_log(s->avctx, AV_LOG_ERROR, "AVFrame.motion_val not set!\n"); | |
184 | if(!src->mb_type) | |
185 | av_log(s->avctx, AV_LOG_ERROR, "AVFrame.mb_type not set!\n"); | |
186 | if(!src->ref_index[0]) | |
187 | av_log(s->avctx, AV_LOG_ERROR, "AVFrame.ref_index not set!\n"); | |
188 | if(src->motion_subsample_log2 != dst->motion_subsample_log2) | |
189 | av_log(s->avctx, AV_LOG_ERROR, "AVFrame.motion_subsample_log2 doesn't match! (%d!=%d)\n", | |
190 | src->motion_subsample_log2, dst->motion_subsample_log2); | |
191 | ||
192 | memcpy(dst->mb_type, src->mb_type, s->mb_stride * s->mb_height * sizeof(dst->mb_type[0])); | |
193 | ||
194 | for(i=0; i<2; i++){ | |
195 | int stride= ((16*s->mb_width )>>src->motion_subsample_log2) + 1; | |
196 | int height= ((16*s->mb_height)>>src->motion_subsample_log2); | |
197 | ||
198 | if(src->motion_val[i] && src->motion_val[i] != dst->motion_val[i]){ | |
199 | memcpy(dst->motion_val[i], src->motion_val[i], 2*stride*height*sizeof(int16_t)); | |
200 | } | |
201 | if(src->ref_index[i] && src->ref_index[i] != dst->ref_index[i]){ | |
fc4a2d1e | 202 | memcpy(dst->ref_index[i], src->ref_index[i], s->mb_stride*4*s->mb_height*sizeof(int8_t)); |
3ada94ba BF |
203 | } |
204 | } | |
205 | } | |
206 | } | |
207 | ||
208 | static void update_duplicate_context_after_me(MpegEncContext *dst, MpegEncContext *src){ | |
209 | #define COPY(a) dst->a= src->a | |
210 | COPY(pict_type); | |
211 | COPY(current_picture); | |
212 | COPY(f_code); | |
213 | COPY(b_code); | |
214 | COPY(qscale); | |
215 | COPY(lambda); | |
216 | COPY(lambda2); | |
217 | COPY(picture_in_gop_number); | |
218 | COPY(gop_picture_number); | |
219 | COPY(frame_pred_frame_dct); //FIXME don't set in encode_header | |
220 | COPY(progressive_frame); //FIXME don't set in encode_header | |
221 | COPY(partitioned_frame); //FIXME don't set in encode_header | |
222 | #undef COPY | |
223 | } | |
224 | ||
225 | /** | |
226 | * sets the given MpegEncContext to defaults for encoding. | |
227 | * the changed fields will not depend upon the prior state of the MpegEncContext. | |
228 | */ | |
229 | static void MPV_encode_defaults(MpegEncContext *s){ | |
230 | int i; | |
231 | MPV_common_defaults(s); | |
232 | ||
233 | for(i=-16; i<16; i++){ | |
234 | default_fcode_tab[i + MAX_MV]= 1; | |
235 | } | |
236 | s->me.mv_penalty= default_mv_penalty; | |
237 | s->fcode_tab= default_fcode_tab; | |
238 | } | |
239 | ||
240 | /* init video encoder */ | |
98a6fff9 | 241 | av_cold int MPV_encode_init(AVCodecContext *avctx) |
3ada94ba BF |
242 | { |
243 | MpegEncContext *s = avctx->priv_data; | |
244 | int i; | |
245 | int chroma_h_shift, chroma_v_shift; | |
246 | ||
247 | MPV_encode_defaults(s); | |
248 | ||
249 | switch (avctx->codec_id) { | |
250 | case CODEC_ID_MPEG2VIDEO: | |
251 | if(avctx->pix_fmt != PIX_FMT_YUV420P && avctx->pix_fmt != PIX_FMT_YUV422P){ | |
252 | av_log(avctx, AV_LOG_ERROR, "only YUV420 and YUV422 are supported\n"); | |
253 | return -1; | |
254 | } | |
255 | break; | |
256 | case CODEC_ID_LJPEG: | |
db613296 | 257 | if(avctx->pix_fmt != PIX_FMT_YUVJ420P && avctx->pix_fmt != PIX_FMT_YUVJ422P && avctx->pix_fmt != PIX_FMT_YUVJ444P && avctx->pix_fmt != PIX_FMT_BGRA && |
e27bf2c7 MN |
258 | ((avctx->pix_fmt != PIX_FMT_YUV420P && avctx->pix_fmt != PIX_FMT_YUV422P && avctx->pix_fmt != PIX_FMT_YUV444P) || avctx->strict_std_compliance>FF_COMPLIANCE_UNOFFICIAL)){ |
259 | av_log(avctx, AV_LOG_ERROR, "colorspace not supported in LJPEG\n"); | |
260 | return -1; | |
261 | } | |
262 | break; | |
3ada94ba | 263 | case CODEC_ID_MJPEG: |
dc8465a9 | 264 | if(avctx->pix_fmt != PIX_FMT_YUVJ420P && avctx->pix_fmt != PIX_FMT_YUVJ422P && |
2d525ef4 | 265 | ((avctx->pix_fmt != PIX_FMT_YUV420P && avctx->pix_fmt != PIX_FMT_YUV422P) || avctx->strict_std_compliance>FF_COMPLIANCE_UNOFFICIAL)){ |
3ada94ba BF |
266 | av_log(avctx, AV_LOG_ERROR, "colorspace not supported in jpeg\n"); |
267 | return -1; | |
268 | } | |
269 | break; | |
270 | default: | |
271 | if(avctx->pix_fmt != PIX_FMT_YUV420P){ | |
272 | av_log(avctx, AV_LOG_ERROR, "only YUV420 is supported\n"); | |
273 | return -1; | |
274 | } | |
275 | } | |
276 | ||
277 | switch (avctx->pix_fmt) { | |
278 | case PIX_FMT_YUVJ422P: | |
279 | case PIX_FMT_YUV422P: | |
280 | s->chroma_format = CHROMA_422; | |
281 | break; | |
282 | case PIX_FMT_YUVJ420P: | |
283 | case PIX_FMT_YUV420P: | |
284 | default: | |
285 | s->chroma_format = CHROMA_420; | |
286 | break; | |
287 | } | |
288 | ||
289 | s->bit_rate = avctx->bit_rate; | |
290 | s->width = avctx->width; | |
291 | s->height = avctx->height; | |
292 | if(avctx->gop_size > 600 && avctx->strict_std_compliance>FF_COMPLIANCE_EXPERIMENTAL){ | |
293 | av_log(avctx, AV_LOG_ERROR, "Warning keyframe interval too large! reducing it ...\n"); | |
294 | avctx->gop_size=600; | |
295 | } | |
296 | s->gop_size = avctx->gop_size; | |
297 | s->avctx = avctx; | |
298 | s->flags= avctx->flags; | |
299 | s->flags2= avctx->flags2; | |
300 | s->max_b_frames= avctx->max_b_frames; | |
301 | s->codec_id= avctx->codec->id; | |
302 | s->luma_elim_threshold = avctx->luma_elim_threshold; | |
303 | s->chroma_elim_threshold= avctx->chroma_elim_threshold; | |
304 | s->strict_std_compliance= avctx->strict_std_compliance; | |
305 | s->data_partitioning= avctx->flags & CODEC_FLAG_PART; | |
306 | s->quarter_sample= (avctx->flags & CODEC_FLAG_QPEL)!=0; | |
307 | s->mpeg_quant= avctx->mpeg_quant; | |
308 | s->rtp_mode= !!avctx->rtp_payload_size; | |
309 | s->intra_dc_precision= avctx->intra_dc_precision; | |
310 | s->user_specified_pts = AV_NOPTS_VALUE; | |
311 | ||
312 | if (s->gop_size <= 1) { | |
313 | s->intra_only = 1; | |
314 | s->gop_size = 12; | |
315 | } else { | |
316 | s->intra_only = 0; | |
317 | } | |
318 | ||
319 | s->me_method = avctx->me_method; | |
320 | ||
321 | /* Fixed QSCALE */ | |
322 | s->fixed_qscale = !!(avctx->flags & CODEC_FLAG_QSCALE); | |
323 | ||
324 | s->adaptive_quant= ( s->avctx->lumi_masking | |
325 | || s->avctx->dark_masking | |
326 | || s->avctx->temporal_cplx_masking | |
327 | || s->avctx->spatial_cplx_masking | |
328 | || s->avctx->p_masking | |
329 | || s->avctx->border_masking | |
330 | || (s->flags&CODEC_FLAG_QP_RD)) | |
331 | && !s->fixed_qscale; | |
332 | ||
333 | s->obmc= !!(s->flags & CODEC_FLAG_OBMC); | |
334 | s->loop_filter= !!(s->flags & CODEC_FLAG_LOOP_FILTER); | |
335 | s->alternate_scan= !!(s->flags & CODEC_FLAG_ALT_SCAN); | |
336 | s->intra_vlc_format= !!(s->flags2 & CODEC_FLAG2_INTRA_VLC); | |
337 | s->q_scale_type= !!(s->flags2 & CODEC_FLAG2_NON_LINEAR_QUANT); | |
338 | ||
339 | if(avctx->rc_max_rate && !avctx->rc_buffer_size){ | |
340 | av_log(avctx, AV_LOG_ERROR, "a vbv buffer size is needed, for encoding with a maximum bitrate\n"); | |
341 | return -1; | |
342 | } | |
343 | ||
344 | if(avctx->rc_min_rate && avctx->rc_max_rate != avctx->rc_min_rate){ | |
345 | av_log(avctx, AV_LOG_INFO, "Warning min_rate > 0 but min_rate != max_rate isn't recommended!\n"); | |
346 | } | |
347 | ||
348 | if(avctx->rc_min_rate && avctx->rc_min_rate > avctx->bit_rate){ | |
349 | av_log(avctx, AV_LOG_ERROR, "bitrate below min bitrate\n"); | |
350 | return -1; | |
351 | } | |
352 | ||
353 | if(avctx->rc_max_rate && avctx->rc_max_rate < avctx->bit_rate){ | |
354 | av_log(avctx, AV_LOG_INFO, "bitrate above max bitrate\n"); | |
355 | return -1; | |
356 | } | |
357 | ||
3dd2a1c5 MN |
358 | if(avctx->rc_max_rate && avctx->rc_max_rate == avctx->bit_rate && avctx->rc_max_rate != avctx->rc_min_rate){ |
359 | av_log(avctx, AV_LOG_INFO, "impossible bitrate constraints, this will fail\n"); | |
360 | } | |
361 | ||
b33451ee | 362 | if(avctx->rc_buffer_size && avctx->bit_rate*(int64_t)avctx->time_base.num > avctx->rc_buffer_size * (int64_t)avctx->time_base.den){ |
3ada94ba BF |
363 | av_log(avctx, AV_LOG_ERROR, "VBV buffer too small for bitrate\n"); |
364 | return -1; | |
365 | } | |
366 | ||
8d39fbd6 | 367 | if(!s->fixed_qscale && avctx->bit_rate*av_q2d(avctx->time_base) > avctx->bit_rate_tolerance){ |
3ada94ba BF |
368 | av_log(avctx, AV_LOG_ERROR, "bitrate tolerance too small for bitrate\n"); |
369 | return -1; | |
370 | } | |
371 | ||
372 | if( s->avctx->rc_max_rate && s->avctx->rc_min_rate == s->avctx->rc_max_rate | |
373 | && (s->codec_id == CODEC_ID_MPEG1VIDEO || s->codec_id == CODEC_ID_MPEG2VIDEO) | |
374 | && 90000LL * (avctx->rc_buffer_size-1) > s->avctx->rc_max_rate*0xFFFFLL){ | |
375 | ||
376 | av_log(avctx, AV_LOG_INFO, "Warning vbv_delay will be set to 0xFFFF (=VBR) as the specified vbv buffer is too large for the given bitrate!\n"); | |
377 | } | |
378 | ||
379 | if((s->flags & CODEC_FLAG_4MV) && s->codec_id != CODEC_ID_MPEG4 | |
380 | && s->codec_id != CODEC_ID_H263 && s->codec_id != CODEC_ID_H263P && s->codec_id != CODEC_ID_FLV1){ | |
381 | av_log(avctx, AV_LOG_ERROR, "4MV not supported by codec\n"); | |
382 | return -1; | |
383 | } | |
384 | ||
385 | if(s->obmc && s->avctx->mb_decision != FF_MB_DECISION_SIMPLE){ | |
386 | av_log(avctx, AV_LOG_ERROR, "OBMC is only supported with simple mb decision\n"); | |
387 | return -1; | |
388 | } | |
389 | ||
390 | if(s->obmc && s->codec_id != CODEC_ID_H263 && s->codec_id != CODEC_ID_H263P){ | |
391 | av_log(avctx, AV_LOG_ERROR, "OBMC is only supported with H263(+)\n"); | |
392 | return -1; | |
393 | } | |
394 | ||
395 | if(s->quarter_sample && s->codec_id != CODEC_ID_MPEG4){ | |
396 | av_log(avctx, AV_LOG_ERROR, "qpel not supported by codec\n"); | |
397 | return -1; | |
398 | } | |
399 | ||
400 | if(s->data_partitioning && s->codec_id != CODEC_ID_MPEG4){ | |
401 | av_log(avctx, AV_LOG_ERROR, "data partitioning not supported by codec\n"); | |
402 | return -1; | |
403 | } | |
404 | ||
405 | if(s->max_b_frames && s->codec_id != CODEC_ID_MPEG4 && s->codec_id != CODEC_ID_MPEG1VIDEO && s->codec_id != CODEC_ID_MPEG2VIDEO){ | |
406 | av_log(avctx, AV_LOG_ERROR, "b frames not supported by codec\n"); | |
407 | return -1; | |
408 | } | |
409 | ||
954a0b48 MN |
410 | if ((s->codec_id == CODEC_ID_MPEG4 || s->codec_id == CODEC_ID_H263 || |
411 | s->codec_id == CODEC_ID_H263P) && | |
412 | (avctx->sample_aspect_ratio.num > 255 || avctx->sample_aspect_ratio.den > 255)) { | |
413 | av_log(avctx, AV_LOG_ERROR, "Invalid pixel aspect ratio %i/%i, limit is 255/255\n", | |
414 | avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den); | |
415 | return -1; | |
416 | } | |
417 | ||
3ada94ba BF |
418 | if((s->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME|CODEC_FLAG_ALT_SCAN)) |
419 | && s->codec_id != CODEC_ID_MPEG4 && s->codec_id != CODEC_ID_MPEG2VIDEO){ | |
420 | av_log(avctx, AV_LOG_ERROR, "interlacing not supported by codec\n"); | |
421 | return -1; | |
422 | } | |
423 | ||
424 | if(s->mpeg_quant && s->codec_id != CODEC_ID_MPEG4){ //FIXME mpeg2 uses that too | |
425 | av_log(avctx, AV_LOG_ERROR, "mpeg2 style quantization not supported by codec\n"); | |
426 | return -1; | |
427 | } | |
428 | ||
febea2f2 | 429 | if((s->flags & CODEC_FLAG_CBP_RD) && !avctx->trellis){ |
3ada94ba BF |
430 | av_log(avctx, AV_LOG_ERROR, "CBP RD needs trellis quant\n"); |
431 | return -1; | |
432 | } | |
433 | ||
434 | if((s->flags & CODEC_FLAG_QP_RD) && s->avctx->mb_decision != FF_MB_DECISION_RD){ | |
435 | av_log(avctx, AV_LOG_ERROR, "QP RD needs mbd=2\n"); | |
436 | return -1; | |
437 | } | |
438 | ||
439 | if(s->avctx->scenechange_threshold < 1000000000 && (s->flags & CODEC_FLAG_CLOSED_GOP)){ | |
7ce68923 | 440 | av_log(avctx, AV_LOG_ERROR, "closed gop with scene change detection are not supported yet, set threshold to 1000000000\n"); |
3ada94ba BF |
441 | return -1; |
442 | } | |
443 | ||
444 | if((s->flags2 & CODEC_FLAG2_INTRA_VLC) && s->codec_id != CODEC_ID_MPEG2VIDEO){ | |
445 | av_log(avctx, AV_LOG_ERROR, "intra vlc table not supported by codec\n"); | |
446 | return -1; | |
447 | } | |
448 | ||
449 | if(s->flags & CODEC_FLAG_LOW_DELAY){ | |
9cc440bf MN |
450 | if (s->codec_id != CODEC_ID_MPEG2VIDEO){ |
451 | av_log(avctx, AV_LOG_ERROR, "low delay forcing is only available for mpeg2\n"); | |
3ada94ba BF |
452 | return -1; |
453 | } | |
454 | if (s->max_b_frames != 0){ | |
455 | av_log(avctx, AV_LOG_ERROR, "b frames cannot be used with low delay\n"); | |
456 | return -1; | |
457 | } | |
458 | } | |
459 | ||
460 | if(s->q_scale_type == 1){ | |
461 | if(s->codec_id != CODEC_ID_MPEG2VIDEO){ | |
462 | av_log(avctx, AV_LOG_ERROR, "non linear quant is only available for mpeg2\n"); | |
463 | return -1; | |
464 | } | |
465 | if(avctx->qmax > 12){ | |
466 | av_log(avctx, AV_LOG_ERROR, "non linear quant only supports qmax <= 12 currently\n"); | |
467 | return -1; | |
468 | } | |
469 | } | |
470 | ||
471 | if(s->avctx->thread_count > 1 && s->codec_id != CODEC_ID_MPEG4 | |
472 | && s->codec_id != CODEC_ID_MPEG1VIDEO && s->codec_id != CODEC_ID_MPEG2VIDEO | |
473 | && (s->codec_id != CODEC_ID_H263P || !(s->flags & CODEC_FLAG_H263P_SLICE_STRUCT))){ | |
474 | av_log(avctx, AV_LOG_ERROR, "multi threaded encoding not supported by codec\n"); | |
475 | return -1; | |
476 | } | |
477 | ||
b52b0913 MN |
478 | if(s->avctx->thread_count < 1){ |
479 | av_log(avctx, AV_LOG_ERROR, "automatic thread number detection not supported by codec, patch welcome\n"); | |
480 | return -1; | |
481 | } | |
482 | ||
3ada94ba BF |
483 | if(s->avctx->thread_count > 1) |
484 | s->rtp_mode= 1; | |
485 | ||
486 | if(!avctx->time_base.den || !avctx->time_base.num){ | |
487 | av_log(avctx, AV_LOG_ERROR, "framerate not set\n"); | |
488 | return -1; | |
489 | } | |
490 | ||
491 | i= (INT_MAX/2+128)>>8; | |
492 | if(avctx->me_threshold >= i){ | |
493 | av_log(avctx, AV_LOG_ERROR, "me_threshold too large, max is %d\n", i - 1); | |
494 | return -1; | |
495 | } | |
496 | if(avctx->mb_threshold >= i){ | |
497 | av_log(avctx, AV_LOG_ERROR, "mb_threshold too large, max is %d\n", i - 1); | |
498 | return -1; | |
499 | } | |
500 | ||
501 | if(avctx->b_frame_strategy && (avctx->flags&CODEC_FLAG_PASS2)){ | |
502 | av_log(avctx, AV_LOG_INFO, "notice: b_frame_strategy only affects the first pass\n"); | |
503 | avctx->b_frame_strategy = 0; | |
504 | } | |
505 | ||
9ce6c138 | 506 | i= av_gcd(avctx->time_base.den, avctx->time_base.num); |
3ada94ba BF |
507 | if(i > 1){ |
508 | av_log(avctx, AV_LOG_INFO, "removing common factors from framerate\n"); | |
509 | avctx->time_base.den /= i; | |
510 | avctx->time_base.num /= i; | |
511 | // return -1; | |
512 | } | |
513 | ||
bd57cae8 | 514 | if(s->mpeg_quant || s->codec_id==CODEC_ID_MPEG1VIDEO || s->codec_id==CODEC_ID_MPEG2VIDEO || s->codec_id==CODEC_ID_MJPEG){ |
3ada94ba BF |
515 | s->intra_quant_bias= 3<<(QUANT_BIAS_SHIFT-3); //(a + x*3/8)/x |
516 | s->inter_quant_bias= 0; | |
517 | }else{ | |
518 | s->intra_quant_bias=0; | |
519 | s->inter_quant_bias=-(1<<(QUANT_BIAS_SHIFT-2)); //(a - x/4)/x | |
520 | } | |
521 | ||
522 | if(avctx->intra_quant_bias != FF_DEFAULT_QUANT_BIAS) | |
523 | s->intra_quant_bias= avctx->intra_quant_bias; | |
524 | if(avctx->inter_quant_bias != FF_DEFAULT_QUANT_BIAS) | |
525 | s->inter_quant_bias= avctx->inter_quant_bias; | |
526 | ||
527 | avcodec_get_chroma_sub_sample(avctx->pix_fmt, &chroma_h_shift, &chroma_v_shift); | |
528 | ||
529 | if(avctx->codec_id == CODEC_ID_MPEG4 && s->avctx->time_base.den > (1<<16)-1){ | |
2d777bb7 SS |
530 | av_log(avctx, AV_LOG_ERROR, "timebase %d/%d not supported by MPEG 4 standard, " |
531 | "the maximum admitted value for the timebase denominator is %d\n", | |
532 | s->avctx->time_base.num, s->avctx->time_base.den, (1<<16)-1); | |
3ada94ba BF |
533 | return -1; |
534 | } | |
535 | s->time_increment_bits = av_log2(s->avctx->time_base.den - 1) + 1; | |
536 | ||
537 | switch(avctx->codec->id) { | |
538 | case CODEC_ID_MPEG1VIDEO: | |
539 | s->out_format = FMT_MPEG1; | |
540 | s->low_delay= !!(s->flags & CODEC_FLAG_LOW_DELAY); | |
541 | avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1); | |
542 | break; | |
543 | case CODEC_ID_MPEG2VIDEO: | |
544 | s->out_format = FMT_MPEG1; | |
545 | s->low_delay= !!(s->flags & CODEC_FLAG_LOW_DELAY); | |
546 | avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1); | |
547 | s->rtp_mode= 1; | |
548 | break; | |
549 | case CODEC_ID_LJPEG: | |
550 | case CODEC_ID_MJPEG: | |
551 | s->out_format = FMT_MJPEG; | |
552 | s->intra_only = 1; /* force intra only for jpeg */ | |
a1a63143 | 553 | if(avctx->codec->id == CODEC_ID_LJPEG && avctx->pix_fmt == PIX_FMT_BGRA){ |
e0b176ad MN |
554 | s->mjpeg_vsample[0] = s->mjpeg_hsample[0] = |
555 | s->mjpeg_vsample[1] = s->mjpeg_hsample[1] = | |
556 | s->mjpeg_vsample[2] = s->mjpeg_hsample[2] = 1; | |
a1a63143 MN |
557 | }else{ |
558 | s->mjpeg_vsample[0] = 2; | |
559 | s->mjpeg_vsample[1] = 2>>chroma_v_shift; | |
560 | s->mjpeg_vsample[2] = 2>>chroma_v_shift; | |
561 | s->mjpeg_hsample[0] = 2; | |
562 | s->mjpeg_hsample[1] = 2>>chroma_h_shift; | |
563 | s->mjpeg_hsample[2] = 2>>chroma_h_shift; | |
e0b176ad | 564 | } |
49fb20cb | 565 | if (!(CONFIG_MJPEG_ENCODER || CONFIG_LJPEG_ENCODER) |
3ada94ba BF |
566 | || ff_mjpeg_encode_init(s) < 0) |
567 | return -1; | |
568 | avctx->delay=0; | |
569 | s->low_delay=1; | |
570 | break; | |
571 | case CODEC_ID_H261: | |
49fb20cb | 572 | if (!CONFIG_H261_ENCODER) return -1; |
3ada94ba BF |
573 | if (ff_h261_get_picture_format(s->width, s->height) < 0) { |
574 | av_log(avctx, AV_LOG_ERROR, "The specified picture size of %dx%d is not valid for the H.261 codec.\nValid sizes are 176x144, 352x288\n", s->width, s->height); | |
575 | return -1; | |
576 | } | |
577 | s->out_format = FMT_H261; | |
578 | avctx->delay=0; | |
579 | s->low_delay=1; | |
580 | break; | |
581 | case CODEC_ID_H263: | |
49fb20cb | 582 | if (!CONFIG_H263_ENCODER) return -1; |
35e33b9a | 583 | if (ff_match_2uint16(h263_format, FF_ARRAY_ELEMS(h263_format), s->width, s->height) == 8) { |
3ada94ba BF |
584 | av_log(avctx, AV_LOG_INFO, "The specified picture size of %dx%d is not valid for the H.263 codec.\nValid sizes are 128x96, 176x144, 352x288, 704x576, and 1408x1152. Try H.263+.\n", s->width, s->height); |
585 | return -1; | |
586 | } | |
587 | s->out_format = FMT_H263; | |
588 | s->obmc= (avctx->flags & CODEC_FLAG_OBMC) ? 1:0; | |
589 | avctx->delay=0; | |
590 | s->low_delay=1; | |
591 | break; | |
592 | case CODEC_ID_H263P: | |
593 | s->out_format = FMT_H263; | |
594 | s->h263_plus = 1; | |
595 | /* Fx */ | |
596 | s->umvplus = (avctx->flags & CODEC_FLAG_H263P_UMV) ? 1:0; | |
597 | s->h263_aic= (avctx->flags & CODEC_FLAG_AC_PRED) ? 1:0; | |
598 | s->modified_quant= s->h263_aic; | |
599 | s->alt_inter_vlc= (avctx->flags & CODEC_FLAG_H263P_AIV) ? 1:0; | |
600 | s->obmc= (avctx->flags & CODEC_FLAG_OBMC) ? 1:0; | |
601 | s->loop_filter= (avctx->flags & CODEC_FLAG_LOOP_FILTER) ? 1:0; | |
602 | s->unrestricted_mv= s->obmc || s->loop_filter || s->umvplus; | |
603 | s->h263_slice_structured= (s->flags & CODEC_FLAG_H263P_SLICE_STRUCT) ? 1:0; | |
604 | ||
605 | /* /Fx */ | |
606 | /* These are just to be sure */ | |
607 | avctx->delay=0; | |
608 | s->low_delay=1; | |
609 | break; | |
610 | case CODEC_ID_FLV1: | |
611 | s->out_format = FMT_H263; | |
612 | s->h263_flv = 2; /* format = 1; 11-bit codes */ | |
613 | s->unrestricted_mv = 1; | |
614 | s->rtp_mode=0; /* don't allow GOB */ | |
615 | avctx->delay=0; | |
616 | s->low_delay=1; | |
617 | break; | |
618 | case CODEC_ID_RV10: | |
619 | s->out_format = FMT_H263; | |
620 | avctx->delay=0; | |
621 | s->low_delay=1; | |
622 | break; | |
623 | case CODEC_ID_RV20: | |
624 | s->out_format = FMT_H263; | |
625 | avctx->delay=0; | |
626 | s->low_delay=1; | |
627 | s->modified_quant=1; | |
628 | s->h263_aic=1; | |
629 | s->h263_plus=1; | |
630 | s->loop_filter=1; | |
53eb458a | 631 | s->unrestricted_mv= 0; |
3ada94ba BF |
632 | break; |
633 | case CODEC_ID_MPEG4: | |
634 | s->out_format = FMT_H263; | |
635 | s->h263_pred = 1; | |
636 | s->unrestricted_mv = 1; | |
637 | s->low_delay= s->max_b_frames ? 0 : 1; | |
638 | avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1); | |
639 | break; | |
3ada94ba BF |
640 | case CODEC_ID_MSMPEG4V2: |
641 | s->out_format = FMT_H263; | |
3ada94ba BF |
642 | s->h263_pred = 1; |
643 | s->unrestricted_mv = 1; | |
644 | s->msmpeg4_version= 2; | |
645 | avctx->delay=0; | |
646 | s->low_delay=1; | |
647 | break; | |
648 | case CODEC_ID_MSMPEG4V3: | |
649 | s->out_format = FMT_H263; | |
3ada94ba BF |
650 | s->h263_pred = 1; |
651 | s->unrestricted_mv = 1; | |
652 | s->msmpeg4_version= 3; | |
653 | s->flipflop_rounding=1; | |
654 | avctx->delay=0; | |
655 | s->low_delay=1; | |
656 | break; | |
657 | case CODEC_ID_WMV1: | |
658 | s->out_format = FMT_H263; | |
3ada94ba BF |
659 | s->h263_pred = 1; |
660 | s->unrestricted_mv = 1; | |
661 | s->msmpeg4_version= 4; | |
662 | s->flipflop_rounding=1; | |
663 | avctx->delay=0; | |
664 | s->low_delay=1; | |
665 | break; | |
666 | case CODEC_ID_WMV2: | |
667 | s->out_format = FMT_H263; | |
3ada94ba BF |
668 | s->h263_pred = 1; |
669 | s->unrestricted_mv = 1; | |
670 | s->msmpeg4_version= 5; | |
671 | s->flipflop_rounding=1; | |
672 | avctx->delay=0; | |
673 | s->low_delay=1; | |
674 | break; | |
675 | default: | |
676 | return -1; | |
677 | } | |
678 | ||
679 | avctx->has_b_frames= !s->low_delay; | |
680 | ||
681 | s->encoding = 1; | |
682 | ||
01bc48f4 BC |
683 | s->progressive_frame= |
684 | s->progressive_sequence= !(avctx->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME|CODEC_FLAG_ALT_SCAN)); | |
685 | ||
3ada94ba BF |
686 | /* init */ |
687 | if (MPV_common_init(s) < 0) | |
688 | return -1; | |
689 | ||
53727262 AJ |
690 | if(!s->dct_quantize) |
691 | s->dct_quantize = dct_quantize_c; | |
692 | if(!s->denoise_dct) | |
693 | s->denoise_dct = denoise_dct_c; | |
694 | s->fast_dct_quantize = s->dct_quantize; | |
febea2f2 | 695 | if(avctx->trellis) |
53727262 AJ |
696 | s->dct_quantize = dct_quantize_trellis_c; |
697 | ||
49fb20cb | 698 | if((CONFIG_H263P_ENCODER || CONFIG_RV20_ENCODER) && s->modified_quant) |
3ada94ba | 699 | s->chroma_qscale_table= ff_h263_chroma_qscale_table; |
01bc48f4 | 700 | |
3ada94ba BF |
701 | s->quant_precision=5; |
702 | ||
703 | ff_set_cmp(&s->dsp, s->dsp.ildct_cmp, s->avctx->ildct_cmp); | |
704 | ff_set_cmp(&s->dsp, s->dsp.frame_skip_cmp, s->avctx->frame_skip_cmp); | |
705 | ||
49fb20cb | 706 | if (CONFIG_H261_ENCODER && s->out_format == FMT_H261) |
3ada94ba | 707 | ff_h261_encode_init(s); |
f34121f3 | 708 | if (CONFIG_H263_ENCODER && s->out_format == FMT_H263) |
3ada94ba | 709 | h263_encode_init(s); |
49fb20cb | 710 | if (CONFIG_MSMPEG4_ENCODER && s->msmpeg4_version) |
3ada94ba | 711 | ff_msmpeg4_encode_init(s); |
49fb20cb | 712 | if ((CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER) |
a6bc5731 | 713 | && s->out_format == FMT_MPEG1) |
3ada94ba BF |
714 | ff_mpeg1_encode_init(s); |
715 | ||
716 | /* init q matrix */ | |
717 | for(i=0;i<64;i++) { | |
718 | int j= s->dsp.idct_permutation[i]; | |
49fb20cb | 719 | if(CONFIG_MPEG4_ENCODER && s->codec_id==CODEC_ID_MPEG4 && s->mpeg_quant){ |
3ada94ba BF |
720 | s->intra_matrix[j] = ff_mpeg4_default_intra_matrix[i]; |
721 | s->inter_matrix[j] = ff_mpeg4_default_non_intra_matrix[i]; | |
722 | }else if(s->out_format == FMT_H263 || s->out_format == FMT_H261){ | |
723 | s->intra_matrix[j] = | |
724 | s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i]; | |
725 | }else | |
726 | { /* mpeg1/2 */ | |
727 | s->intra_matrix[j] = ff_mpeg1_default_intra_matrix[i]; | |
728 | s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i]; | |
729 | } | |
730 | if(s->avctx->intra_matrix) | |
731 | s->intra_matrix[j] = s->avctx->intra_matrix[i]; | |
732 | if(s->avctx->inter_matrix) | |
733 | s->inter_matrix[j] = s->avctx->inter_matrix[i]; | |
734 | } | |
735 | ||
736 | /* precompute matrix */ | |
737 | /* for mjpeg, we do include qscale in the matrix */ | |
738 | if (s->out_format != FMT_MJPEG) { | |
69cea75f | 739 | ff_convert_matrix(&s->dsp, s->q_intra_matrix, s->q_intra_matrix16, |
3ada94ba | 740 | s->intra_matrix, s->intra_quant_bias, avctx->qmin, 31, 1); |
69cea75f | 741 | ff_convert_matrix(&s->dsp, s->q_inter_matrix, s->q_inter_matrix16, |
3ada94ba BF |
742 | s->inter_matrix, s->inter_quant_bias, avctx->qmin, 31, 0); |
743 | } | |
744 | ||
745 | if(ff_rate_control_init(s) < 0) | |
746 | return -1; | |
747 | ||
748 | return 0; | |
749 | } | |
750 | ||
98a6fff9 | 751 | av_cold int MPV_encode_end(AVCodecContext *avctx) |
3ada94ba BF |
752 | { |
753 | MpegEncContext *s = avctx->priv_data; | |
754 | ||
755 | ff_rate_control_uninit(s); | |
756 | ||
757 | MPV_common_end(s); | |
49fb20cb | 758 | if ((CONFIG_MJPEG_ENCODER || CONFIG_LJPEG_ENCODER) && s->out_format == FMT_MJPEG) |
3ada94ba BF |
759 | ff_mjpeg_encode_close(s); |
760 | ||
761 | av_freep(&avctx->extradata); | |
762 | ||
763 | return 0; | |
764 | } | |
765 | ||
766 | static int get_sae(uint8_t *src, int ref, int stride){ | |
767 | int x,y; | |
768 | int acc=0; | |
769 | ||
770 | for(y=0; y<16; y++){ | |
771 | for(x=0; x<16; x++){ | |
772 | acc+= FFABS(src[x+y*stride] - ref); | |
773 | } | |
774 | } | |
775 | ||
776 | return acc; | |
777 | } | |
778 | ||
779 | static int get_intra_count(MpegEncContext *s, uint8_t *src, uint8_t *ref, int stride){ | |
780 | int x, y, w, h; | |
781 | int acc=0; | |
782 | ||
783 | w= s->width &~15; | |
784 | h= s->height&~15; | |
785 | ||
786 | for(y=0; y<h; y+=16){ | |
787 | for(x=0; x<w; x+=16){ | |
788 | int offset= x + y*stride; | |
789 | int sad = s->dsp.sad[0](NULL, src + offset, ref + offset, stride, 16); | |
790 | int mean= (s->dsp.pix_sum(src + offset, stride) + 128)>>8; | |
791 | int sae = get_sae(src + offset, mean, stride); | |
792 | ||
793 | acc+= sae + 500 < sad; | |
794 | } | |
795 | } | |
796 | return acc; | |
797 | } | |
798 | ||
799 | ||
800 | static int load_input_picture(MpegEncContext *s, AVFrame *pic_arg){ | |
801 | AVFrame *pic=NULL; | |
802 | int64_t pts; | |
803 | int i; | |
804 | const int encoding_delay= s->max_b_frames; | |
805 | int direct=1; | |
806 | ||
807 | if(pic_arg){ | |
808 | pts= pic_arg->pts; | |
809 | pic_arg->display_picture_number= s->input_picture_number++; | |
810 | ||
811 | if(pts != AV_NOPTS_VALUE){ | |
812 | if(s->user_specified_pts != AV_NOPTS_VALUE){ | |
813 | int64_t time= pts; | |
814 | int64_t last= s->user_specified_pts; | |
815 | ||
816 | if(time <= last){ | |
817 | av_log(s->avctx, AV_LOG_ERROR, "Error, Invalid timestamp=%"PRId64", last=%"PRId64"\n", pts, s->user_specified_pts); | |
818 | return -1; | |
819 | } | |
820 | } | |
821 | s->user_specified_pts= pts; | |
822 | }else{ | |
823 | if(s->user_specified_pts != AV_NOPTS_VALUE){ | |
824 | s->user_specified_pts= | |
825 | pts= s->user_specified_pts + 1; | |
826 | av_log(s->avctx, AV_LOG_INFO, "Warning: AVFrame.pts=? trying to guess (%"PRId64")\n", pts); | |
827 | }else{ | |
828 | pts= pic_arg->display_picture_number; | |
829 | } | |
830 | } | |
831 | } | |
832 | ||
833 | if(pic_arg){ | |
834 | if(encoding_delay && !(s->flags&CODEC_FLAG_INPUT_PRESERVED)) direct=0; | |
835 | if(pic_arg->linesize[0] != s->linesize) direct=0; | |
836 | if(pic_arg->linesize[1] != s->uvlinesize) direct=0; | |
837 | if(pic_arg->linesize[2] != s->uvlinesize) direct=0; | |
838 | ||
839 | // av_log(AV_LOG_DEBUG, "%d %d %d %d\n",pic_arg->linesize[0], pic_arg->linesize[1], s->linesize, s->uvlinesize); | |
840 | ||
841 | if(direct){ | |
842 | i= ff_find_unused_picture(s, 1); | |
843 | ||
844 | pic= (AVFrame*)&s->picture[i]; | |
845 | pic->reference= 3; | |
846 | ||
847 | for(i=0; i<4; i++){ | |
848 | pic->data[i]= pic_arg->data[i]; | |
849 | pic->linesize[i]= pic_arg->linesize[i]; | |
850 | } | |
be548816 PP |
851 | if(ff_alloc_picture(s, (Picture*)pic, 1) < 0){ |
852 | return -1; | |
853 | } | |
3ada94ba BF |
854 | }else{ |
855 | i= ff_find_unused_picture(s, 0); | |
856 | ||
857 | pic= (AVFrame*)&s->picture[i]; | |
858 | pic->reference= 3; | |
859 | ||
be548816 PP |
860 | if(ff_alloc_picture(s, (Picture*)pic, 0) < 0){ |
861 | return -1; | |
862 | } | |
3ada94ba BF |
863 | |
864 | if( pic->data[0] + INPLACE_OFFSET == pic_arg->data[0] | |
865 | && pic->data[1] + INPLACE_OFFSET == pic_arg->data[1] | |
866 | && pic->data[2] + INPLACE_OFFSET == pic_arg->data[2]){ | |
867 | // empty | |
868 | }else{ | |
869 | int h_chroma_shift, v_chroma_shift; | |
870 | avcodec_get_chroma_sub_sample(s->avctx->pix_fmt, &h_chroma_shift, &v_chroma_shift); | |
871 | ||
872 | for(i=0; i<3; i++){ | |
873 | int src_stride= pic_arg->linesize[i]; | |
874 | int dst_stride= i ? s->uvlinesize : s->linesize; | |
875 | int h_shift= i ? h_chroma_shift : 0; | |
876 | int v_shift= i ? v_chroma_shift : 0; | |
877 | int w= s->width >>h_shift; | |
878 | int h= s->height>>v_shift; | |
879 | uint8_t *src= pic_arg->data[i]; | |
880 | uint8_t *dst= pic->data[i]; | |
881 | ||
882 | if(!s->avctx->rc_buffer_size) | |
883 | dst +=INPLACE_OFFSET; | |
884 | ||
885 | if(src_stride==dst_stride) | |
886 | memcpy(dst, src, src_stride*h); | |
887 | else{ | |
888 | while(h--){ | |
889 | memcpy(dst, src, w); | |
890 | dst += dst_stride; | |
891 | src += src_stride; | |
892 | } | |
893 | } | |
894 | } | |
895 | } | |
896 | } | |
897 | copy_picture_attributes(s, pic, pic_arg); | |
898 | pic->pts= pts; //we set this here to avoid modifiying pic_arg | |
899 | } | |
900 | ||
901 | /* shift buffer entries */ | |
902 | for(i=1; i<MAX_PICTURE_COUNT /*s->encoding_delay+1*/; i++) | |
903 | s->input_picture[i-1]= s->input_picture[i]; | |
904 | ||
905 | s->input_picture[encoding_delay]= (Picture*)pic; | |
906 | ||
907 | return 0; | |
908 | } | |
909 | ||
910 | static int skip_check(MpegEncContext *s, Picture *p, Picture *ref){ | |
911 | int x, y, plane; | |
912 | int score=0; | |
913 | int64_t score64=0; | |
914 | ||
915 | for(plane=0; plane<3; plane++){ | |
916 | const int stride= p->linesize[plane]; | |
917 | const int bw= plane ? 1 : 2; | |
918 | for(y=0; y<s->mb_height*bw; y++){ | |
919 | for(x=0; x<s->mb_width*bw; x++){ | |
920 | int off= p->type == FF_BUFFER_TYPE_SHARED ? 0: 16; | |
921 | int v= s->dsp.frame_skip_cmp[1](s, p->data[plane] + 8*(x + y*stride)+off, ref->data[plane] + 8*(x + y*stride), stride, 8); | |
922 | ||
923 | switch(s->avctx->frame_skip_exp){ | |
924 | case 0: score= FFMAX(score, v); break; | |
925 | case 1: score+= FFABS(v);break; | |
926 | case 2: score+= v*v;break; | |
927 | case 3: score64+= FFABS(v*v*(int64_t)v);break; | |
928 | case 4: score64+= v*v*(int64_t)(v*v);break; | |
929 | } | |
930 | } | |
931 | } | |
932 | } | |
933 | ||
934 | if(score) score64= score; | |
935 | ||
936 | if(score64 < s->avctx->frame_skip_threshold) | |
937 | return 1; | |
938 | if(score64 < ((s->avctx->frame_skip_factor * (int64_t)s->lambda)>>8)) | |
939 | return 1; | |
940 | return 0; | |
941 | } | |
942 | ||
943 | static int estimate_best_b_count(MpegEncContext *s){ | |
944 | AVCodec *codec= avcodec_find_encoder(s->avctx->codec_id); | |
945 | AVCodecContext *c= avcodec_alloc_context(); | |
946 | AVFrame input[FF_MAX_B_FRAMES+2]; | |
947 | const int scale= s->avctx->brd_scale; | |
948 | int i, j, out_size, p_lambda, b_lambda, lambda2; | |
949 | int outbuf_size= s->width * s->height; //FIXME | |
950 | uint8_t *outbuf= av_malloc(outbuf_size); | |
951 | int64_t best_rd= INT64_MAX; | |
952 | int best_b_count= -1; | |
953 | ||
954 | assert(scale>=0 && scale <=3); | |
955 | ||
956 | // emms_c(); | |
975a1447 SS |
957 | p_lambda= s->last_lambda_for[AV_PICTURE_TYPE_P]; //s->next_picture_ptr->quality; |
958 | b_lambda= s->last_lambda_for[AV_PICTURE_TYPE_B]; //p_lambda *FFABS(s->avctx->b_quant_factor) + s->avctx->b_quant_offset; | |
3ada94ba BF |
959 | if(!b_lambda) b_lambda= p_lambda; //FIXME we should do this somewhere else |
960 | lambda2= (b_lambda*b_lambda + (1<<FF_LAMBDA_SHIFT)/2 ) >> FF_LAMBDA_SHIFT; | |
961 | ||
962 | c->width = s->width >> scale; | |
963 | c->height= s->height>> scale; | |
964 | c->flags= CODEC_FLAG_QSCALE | CODEC_FLAG_PSNR | CODEC_FLAG_INPUT_PRESERVED /*| CODEC_FLAG_EMU_EDGE*/; | |
965 | c->flags|= s->avctx->flags & CODEC_FLAG_QPEL; | |
966 | c->mb_decision= s->avctx->mb_decision; | |
967 | c->me_cmp= s->avctx->me_cmp; | |
968 | c->mb_cmp= s->avctx->mb_cmp; | |
969 | c->me_sub_cmp= s->avctx->me_sub_cmp; | |
970 | c->pix_fmt = PIX_FMT_YUV420P; | |
971 | c->time_base= s->avctx->time_base; | |
972 | c->max_b_frames= s->max_b_frames; | |
973 | ||
974 | if (avcodec_open(c, codec) < 0) | |
975 | return -1; | |
976 | ||
977 | for(i=0; i<s->max_b_frames+2; i++){ | |
978 | int ysize= c->width*c->height; | |
979 | int csize= (c->width/2)*(c->height/2); | |
980 | Picture pre_input, *pre_input_ptr= i ? s->input_picture[i-1] : s->next_picture_ptr; | |
981 | ||
982 | avcodec_get_frame_defaults(&input[i]); | |
983 | input[i].data[0]= av_malloc(ysize + 2*csize); | |
984 | input[i].data[1]= input[i].data[0] + ysize; | |
985 | input[i].data[2]= input[i].data[1] + csize; | |
986 | input[i].linesize[0]= c->width; | |
987 | input[i].linesize[1]= | |
988 | input[i].linesize[2]= c->width/2; | |
989 | ||
990 | if(pre_input_ptr && (!i || s->input_picture[i-1])) { | |
991 | pre_input= *pre_input_ptr; | |
992 | ||
993 | if(pre_input.type != FF_BUFFER_TYPE_SHARED && i) { | |
994 | pre_input.data[0]+=INPLACE_OFFSET; | |
995 | pre_input.data[1]+=INPLACE_OFFSET; | |
996 | pre_input.data[2]+=INPLACE_OFFSET; | |
997 | } | |
998 | ||
999 | s->dsp.shrink[scale](input[i].data[0], input[i].linesize[0], pre_input.data[0], pre_input.linesize[0], c->width, c->height); | |
1000 | s->dsp.shrink[scale](input[i].data[1], input[i].linesize[1], pre_input.data[1], pre_input.linesize[1], c->width>>1, c->height>>1); | |
1001 | s->dsp.shrink[scale](input[i].data[2], input[i].linesize[2], pre_input.data[2], pre_input.linesize[2], c->width>>1, c->height>>1); | |
1002 | } | |
1003 | } | |
1004 | ||
1005 | for(j=0; j<s->max_b_frames+1; j++){ | |
1006 | int64_t rd=0; | |
1007 | ||
1008 | if(!s->input_picture[j]) | |
1009 | break; | |
1010 | ||
1011 | c->error[0]= c->error[1]= c->error[2]= 0; | |
1012 | ||
975a1447 | 1013 | input[0].pict_type= AV_PICTURE_TYPE_I; |
3ada94ba BF |
1014 | input[0].quality= 1 * FF_QP2LAMBDA; |
1015 | out_size = avcodec_encode_video(c, outbuf, outbuf_size, &input[0]); | |
1016 | // rd += (out_size * lambda2) >> FF_LAMBDA_SHIFT; | |
1017 | ||
1018 | for(i=0; i<s->max_b_frames+1; i++){ | |
1019 | int is_p= i % (j+1) == j || i==s->max_b_frames; | |
1020 | ||
975a1447 | 1021 | input[i+1].pict_type= is_p ? AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_B; |
3ada94ba BF |
1022 | input[i+1].quality= is_p ? p_lambda : b_lambda; |
1023 | out_size = avcodec_encode_video(c, outbuf, outbuf_size, &input[i+1]); | |
1024 | rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3); | |
1025 | } | |
1026 | ||
1027 | /* get the delayed frames */ | |
1028 | while(out_size){ | |
1029 | out_size = avcodec_encode_video(c, outbuf, outbuf_size, NULL); | |
1030 | rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3); | |
1031 | } | |
1032 | ||
1033 | rd += c->error[0] + c->error[1] + c->error[2]; | |
1034 | ||
1035 | if(rd < best_rd){ | |
1036 | best_rd= rd; | |
1037 | best_b_count= j; | |
1038 | } | |
1039 | } | |
1040 | ||
1041 | av_freep(&outbuf); | |
1042 | avcodec_close(c); | |
1043 | av_freep(&c); | |
1044 | ||
1045 | for(i=0; i<s->max_b_frames+2; i++){ | |
1046 | av_freep(&input[i].data[0]); | |
1047 | } | |
1048 | ||
1049 | return best_b_count; | |
1050 | } | |
1051 | ||
be548816 | 1052 | static int select_input_picture(MpegEncContext *s){ |
3ada94ba BF |
1053 | int i; |
1054 | ||
1055 | for(i=1; i<MAX_PICTURE_COUNT; i++) | |
1056 | s->reordered_input_picture[i-1]= s->reordered_input_picture[i]; | |
1057 | s->reordered_input_picture[MAX_PICTURE_COUNT-1]= NULL; | |
1058 | ||
1059 | /* set next picture type & ordering */ | |
1060 | if(s->reordered_input_picture[0]==NULL && s->input_picture[0]){ | |
1061 | if(/*s->picture_in_gop_number >= s->gop_size ||*/ s->next_picture_ptr==NULL || s->intra_only){ | |
1062 | s->reordered_input_picture[0]= s->input_picture[0]; | |
975a1447 | 1063 | s->reordered_input_picture[0]->pict_type= AV_PICTURE_TYPE_I; |
3ada94ba BF |
1064 | s->reordered_input_picture[0]->coded_picture_number= s->coded_picture_number++; |
1065 | }else{ | |
1066 | int b_frames; | |
1067 | ||
1068 | if(s->avctx->frame_skip_threshold || s->avctx->frame_skip_factor){ | |
1069 | if(s->picture_in_gop_number < s->gop_size && skip_check(s, s->input_picture[0], s->next_picture_ptr)){ | |
1070 | //FIXME check that te gop check above is +-1 correct | |
1071 | //av_log(NULL, AV_LOG_DEBUG, "skip %p %"PRId64"\n", s->input_picture[0]->data[0], s->input_picture[0]->pts); | |
1072 | ||
1073 | if(s->input_picture[0]->type == FF_BUFFER_TYPE_SHARED){ | |
1074 | for(i=0; i<4; i++) | |
1075 | s->input_picture[0]->data[i]= NULL; | |
1076 | s->input_picture[0]->type= 0; | |
1077 | }else{ | |
1078 | assert( s->input_picture[0]->type==FF_BUFFER_TYPE_USER | |
1079 | || s->input_picture[0]->type==FF_BUFFER_TYPE_INTERNAL); | |
1080 | ||
1081 | s->avctx->release_buffer(s->avctx, (AVFrame*)s->input_picture[0]); | |
1082 | } | |
1083 | ||
1084 | emms_c(); | |
1085 | ff_vbv_update(s, 0); | |
1086 | ||
1087 | goto no_output_pic; | |
1088 | } | |
1089 | } | |
1090 | ||
1091 | if(s->flags&CODEC_FLAG_PASS2){ | |
1092 | for(i=0; i<s->max_b_frames+1; i++){ | |
1093 | int pict_num= s->input_picture[0]->display_picture_number + i; | |
1094 | ||
1095 | if(pict_num >= s->rc_context.num_entries) | |
1096 | break; | |
1097 | if(!s->input_picture[i]){ | |
975a1447 | 1098 | s->rc_context.entry[pict_num-1].new_pict_type = AV_PICTURE_TYPE_P; |
3ada94ba BF |
1099 | break; |
1100 | } | |
1101 | ||
1102 | s->input_picture[i]->pict_type= | |
1103 | s->rc_context.entry[pict_num].new_pict_type; | |
1104 | } | |
1105 | } | |
1106 | ||
1107 | if(s->avctx->b_frame_strategy==0){ | |
1108 | b_frames= s->max_b_frames; | |
1109 | while(b_frames && !s->input_picture[b_frames]) b_frames--; | |
1110 | }else if(s->avctx->b_frame_strategy==1){ | |
1111 | for(i=1; i<s->max_b_frames+1; i++){ | |
1112 | if(s->input_picture[i] && s->input_picture[i]->b_frame_score==0){ | |
1113 | s->input_picture[i]->b_frame_score= | |
1114 | get_intra_count(s, s->input_picture[i ]->data[0], | |
1115 | s->input_picture[i-1]->data[0], s->linesize) + 1; | |
1116 | } | |
1117 | } | |
1118 | for(i=0; i<s->max_b_frames+1; i++){ | |
1119 | if(s->input_picture[i]==NULL || s->input_picture[i]->b_frame_score - 1 > s->mb_num/s->avctx->b_sensitivity) break; | |
1120 | } | |
1121 | ||
1122 | b_frames= FFMAX(0, i-1); | |
1123 | ||
1124 | /* reset scores */ | |
1125 | for(i=0; i<b_frames+1; i++){ | |
1126 | s->input_picture[i]->b_frame_score=0; | |
1127 | } | |
1128 | }else if(s->avctx->b_frame_strategy==2){ | |
1129 | b_frames= estimate_best_b_count(s); | |
1130 | }else{ | |
1131 | av_log(s->avctx, AV_LOG_ERROR, "illegal b frame strategy\n"); | |
1132 | b_frames=0; | |
1133 | } | |
1134 | ||
1135 | emms_c(); | |
1136 | //static int b_count=0; | |
1137 | //b_count+= b_frames; | |
1138 | //av_log(s->avctx, AV_LOG_DEBUG, "b_frames: %d\n", b_count); | |
1139 | ||
1140 | for(i= b_frames - 1; i>=0; i--){ | |
1141 | int type= s->input_picture[i]->pict_type; | |
975a1447 | 1142 | if(type && type != AV_PICTURE_TYPE_B) |
3ada94ba BF |
1143 | b_frames= i; |
1144 | } | |
975a1447 | 1145 | if(s->input_picture[b_frames]->pict_type == AV_PICTURE_TYPE_B && b_frames == s->max_b_frames){ |
3ada94ba BF |
1146 | av_log(s->avctx, AV_LOG_ERROR, "warning, too many b frames in a row\n"); |
1147 | } | |
1148 | ||
1149 | if(s->picture_in_gop_number + b_frames >= s->gop_size){ | |
1150 | if((s->flags2 & CODEC_FLAG2_STRICT_GOP) && s->gop_size > s->picture_in_gop_number){ | |
1151 | b_frames= s->gop_size - s->picture_in_gop_number - 1; | |
1152 | }else{ | |
1153 | if(s->flags & CODEC_FLAG_CLOSED_GOP) | |
1154 | b_frames=0; | |
975a1447 | 1155 | s->input_picture[b_frames]->pict_type= AV_PICTURE_TYPE_I; |
3ada94ba BF |
1156 | } |
1157 | } | |
1158 | ||
1159 | if( (s->flags & CODEC_FLAG_CLOSED_GOP) | |
1160 | && b_frames | |
975a1447 | 1161 | && s->input_picture[b_frames]->pict_type== AV_PICTURE_TYPE_I) |
3ada94ba BF |
1162 | b_frames--; |
1163 | ||
1164 | s->reordered_input_picture[0]= s->input_picture[b_frames]; | |
975a1447 SS |
1165 | if(s->reordered_input_picture[0]->pict_type != AV_PICTURE_TYPE_I) |
1166 | s->reordered_input_picture[0]->pict_type= AV_PICTURE_TYPE_P; | |
3ada94ba BF |
1167 | s->reordered_input_picture[0]->coded_picture_number= s->coded_picture_number++; |
1168 | for(i=0; i<b_frames; i++){ | |
1169 | s->reordered_input_picture[i+1]= s->input_picture[i]; | |
975a1447 | 1170 | s->reordered_input_picture[i+1]->pict_type= AV_PICTURE_TYPE_B; |
3ada94ba BF |
1171 | s->reordered_input_picture[i+1]->coded_picture_number= s->coded_picture_number++; |
1172 | } | |
1173 | } | |
1174 | } | |
1175 | no_output_pic: | |
1176 | if(s->reordered_input_picture[0]){ | |
975a1447 | 1177 | s->reordered_input_picture[0]->reference= s->reordered_input_picture[0]->pict_type!=AV_PICTURE_TYPE_B ? 3 : 0; |
3ada94ba | 1178 | |
8d2fc163 | 1179 | ff_copy_picture(&s->new_picture, s->reordered_input_picture[0]); |
3ada94ba BF |
1180 | |
1181 | if(s->reordered_input_picture[0]->type == FF_BUFFER_TYPE_SHARED || s->avctx->rc_buffer_size){ | |
1182 | // input is a shared pix, so we can't modifiy it -> alloc a new one & ensure that the shared one is reuseable | |
1183 | ||
1184 | int i= ff_find_unused_picture(s, 0); | |
1185 | Picture *pic= &s->picture[i]; | |
1186 | ||
1187 | pic->reference = s->reordered_input_picture[0]->reference; | |
be548816 PP |
1188 | if(ff_alloc_picture(s, pic, 0) < 0){ |
1189 | return -1; | |
1190 | } | |
3ada94ba BF |
1191 | |
1192 | /* mark us unused / free shared pic */ | |
1193 | if(s->reordered_input_picture[0]->type == FF_BUFFER_TYPE_INTERNAL) | |
1194 | s->avctx->release_buffer(s->avctx, (AVFrame*)s->reordered_input_picture[0]); | |
1195 | for(i=0; i<4; i++) | |
1196 | s->reordered_input_picture[0]->data[i]= NULL; | |
1197 | s->reordered_input_picture[0]->type= 0; | |
1198 | ||
1199 | copy_picture_attributes(s, (AVFrame*)pic, (AVFrame*)s->reordered_input_picture[0]); | |
1200 | ||
1201 | s->current_picture_ptr= pic; | |
1202 | }else{ | |
1203 | // input is not a shared pix -> reuse buffer for current_pix | |
1204 | ||
1205 | assert( s->reordered_input_picture[0]->type==FF_BUFFER_TYPE_USER | |
1206 | || s->reordered_input_picture[0]->type==FF_BUFFER_TYPE_INTERNAL); | |
1207 | ||
1208 | s->current_picture_ptr= s->reordered_input_picture[0]; | |
1209 | for(i=0; i<4; i++){ | |
1210 | s->new_picture.data[i]+= INPLACE_OFFSET; | |
1211 | } | |
1212 | } | |
8d2fc163 | 1213 | ff_copy_picture(&s->current_picture, s->current_picture_ptr); |
3ada94ba BF |
1214 | |
1215 | s->picture_number= s->new_picture.display_picture_number; | |
1216 | //printf("dpn:%d\n", s->picture_number); | |
1217 | }else{ | |
1218 | memset(&s->new_picture, 0, sizeof(Picture)); | |
1219 | } | |
be548816 | 1220 | return 0; |
3ada94ba BF |
1221 | } |
1222 | ||
1223 | int MPV_encode_picture(AVCodecContext *avctx, | |
1224 | unsigned char *buf, int buf_size, void *data) | |
1225 | { | |
1226 | MpegEncContext *s = avctx->priv_data; | |
1227 | AVFrame *pic_arg = data; | |
1228 | int i, stuffing_count; | |
1229 | ||
1230 | for(i=0; i<avctx->thread_count; i++){ | |
1231 | int start_y= s->thread_context[i]->start_mb_y; | |
1232 | int end_y= s->thread_context[i]-> end_mb_y; | |
1233 | int h= s->mb_height; | |
1234 | uint8_t *start= buf + (size_t)(((int64_t) buf_size)*start_y/h); | |
1235 | uint8_t *end = buf + (size_t)(((int64_t) buf_size)* end_y/h); | |
1236 | ||
1237 | init_put_bits(&s->thread_context[i]->pb, start, end - start); | |
1238 | } | |
1239 | ||
1240 | s->picture_in_gop_number++; | |
1241 | ||
1242 | if(load_input_picture(s, pic_arg) < 0) | |
1243 | return -1; | |
1244 | ||
be548816 PP |
1245 | if(select_input_picture(s) < 0){ |
1246 | return -1; | |
1247 | } | |
3ada94ba BF |
1248 | |
1249 | /* output? */ | |
1250 | if(s->new_picture.data[0]){ | |
1251 | s->pict_type= s->new_picture.pict_type; | |
1252 | //emms_c(); | |
1253 | //printf("qs:%f %f %d\n", s->new_picture.quality, s->current_picture.quality, s->qscale); | |
1254 | MPV_frame_start(s, avctx); | |
1255 | vbv_retry: | |
1256 | if (encode_picture(s, s->picture_number) < 0) | |
1257 | return -1; | |
1258 | ||
3ada94ba BF |
1259 | avctx->header_bits = s->header_bits; |
1260 | avctx->mv_bits = s->mv_bits; | |
1261 | avctx->misc_bits = s->misc_bits; | |
1262 | avctx->i_tex_bits = s->i_tex_bits; | |
1263 | avctx->p_tex_bits = s->p_tex_bits; | |
1264 | avctx->i_count = s->i_count; | |
1265 | avctx->p_count = s->mb_num - s->i_count - s->skip_count; //FIXME f/b_count in avctx | |
1266 | avctx->skip_count = s->skip_count; | |
1267 | ||
1268 | MPV_frame_end(s); | |
1269 | ||
49fb20cb | 1270 | if (CONFIG_MJPEG_ENCODER && s->out_format == FMT_MJPEG) |
3ada94ba BF |
1271 | ff_mjpeg_encode_picture_trailer(s); |
1272 | ||
1273 | if(avctx->rc_buffer_size){ | |
1274 | RateControlContext *rcc= &s->rc_context; | |
3bff4d8b | 1275 | int max_size= rcc->buffer_index * avctx->rc_max_available_vbv_use; |
3ada94ba BF |
1276 | |
1277 | if(put_bits_count(&s->pb) > max_size && s->lambda < s->avctx->lmax){ | |
1278 | s->next_lambda= FFMAX(s->lambda+1, s->lambda*(s->qscale+1) / s->qscale); | |
1279 | if(s->adaptive_quant){ | |
1280 | int i; | |
1281 | for(i=0; i<s->mb_height*s->mb_stride; i++) | |
1282 | s->lambda_table[i]= FFMAX(s->lambda_table[i]+1, s->lambda_table[i]*(s->qscale+1) / s->qscale); | |
1283 | } | |
1284 | s->mb_skipped = 0; //done in MPV_frame_start() | |
975a1447 | 1285 | if(s->pict_type==AV_PICTURE_TYPE_P){ //done in encode_picture() so we must undo it |
3ada94ba BF |
1286 | if(s->flipflop_rounding || s->codec_id == CODEC_ID_H263P || s->codec_id == CODEC_ID_MPEG4) |
1287 | s->no_rounding ^= 1; | |
1288 | } | |
975a1447 | 1289 | if(s->pict_type!=AV_PICTURE_TYPE_B){ |
3ada94ba BF |
1290 | s->time_base= s->last_time_base; |
1291 | s->last_non_b_time= s->time - s->pp_time; | |
1292 | } | |
1293 | // av_log(NULL, AV_LOG_ERROR, "R:%d ", s->next_lambda); | |
1294 | for(i=0; i<avctx->thread_count; i++){ | |
1295 | PutBitContext *pb= &s->thread_context[i]->pb; | |
1296 | init_put_bits(pb, pb->buf, pb->buf_end - pb->buf); | |
1297 | } | |
1298 | goto vbv_retry; | |
1299 | } | |
1300 | ||
1301 | assert(s->avctx->rc_max_rate); | |
1302 | } | |
1303 | ||
1304 | if(s->flags&CODEC_FLAG_PASS1) | |
1305 | ff_write_pass1_stats(s); | |
1306 | ||
1307 | for(i=0; i<4; i++){ | |
1308 | s->current_picture_ptr->error[i]= s->current_picture.error[i]; | |
1309 | avctx->error[i] += s->current_picture_ptr->error[i]; | |
1310 | } | |
1311 | ||
1312 | if(s->flags&CODEC_FLAG_PASS1) | |
1313 | assert(avctx->header_bits + avctx->mv_bits + avctx->misc_bits + avctx->i_tex_bits + avctx->p_tex_bits == put_bits_count(&s->pb)); | |
1314 | flush_put_bits(&s->pb); | |
1315 | s->frame_bits = put_bits_count(&s->pb); | |
1316 | ||
1317 | stuffing_count= ff_vbv_update(s, s->frame_bits); | |
1318 | if(stuffing_count){ | |
1319 | if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < stuffing_count + 50){ | |
1320 | av_log(s->avctx, AV_LOG_ERROR, "stuffing too large\n"); | |
1321 | return -1; | |
1322 | } | |
1323 | ||
1324 | switch(s->codec_id){ | |
1325 | case CODEC_ID_MPEG1VIDEO: | |
1326 | case CODEC_ID_MPEG2VIDEO: | |
1327 | while(stuffing_count--){ | |
1328 | put_bits(&s->pb, 8, 0); | |
1329 | } | |
1330 | break; | |
1331 | case CODEC_ID_MPEG4: | |
1332 | put_bits(&s->pb, 16, 0); | |
1333 | put_bits(&s->pb, 16, 0x1C3); | |
1334 | stuffing_count -= 4; | |
1335 | while(stuffing_count--){ | |
1336 | put_bits(&s->pb, 8, 0xFF); | |
1337 | } | |
1338 | break; | |
1339 | default: | |
1340 | av_log(s->avctx, AV_LOG_ERROR, "vbv buffer overflow\n"); | |
1341 | } | |
1342 | flush_put_bits(&s->pb); | |
1343 | s->frame_bits = put_bits_count(&s->pb); | |
1344 | } | |
1345 | ||
1346 | /* update mpeg1/2 vbv_delay for CBR */ | |
1347 | if(s->avctx->rc_max_rate && s->avctx->rc_min_rate == s->avctx->rc_max_rate && s->out_format == FMT_MPEG1 | |
1348 | && 90000LL * (avctx->rc_buffer_size-1) <= s->avctx->rc_max_rate*0xFFFFLL){ | |
4601e76a MN |
1349 | int vbv_delay, min_delay; |
1350 | double inbits = s->avctx->rc_max_rate*av_q2d(s->avctx->time_base); | |
1351 | int minbits= s->frame_bits - 8*(s->vbv_delay_ptr - s->pb.buf - 1); | |
1352 | double bits = s->rc_context.buffer_index + minbits - inbits; | |
1353 | ||
1354 | if(bits<0) | |
1355 | av_log(s->avctx, AV_LOG_ERROR, "Internal error, negative bits\n"); | |
3ada94ba BF |
1356 | |
1357 | assert(s->repeat_first_field==0); | |
1358 | ||
4601e76a MN |
1359 | vbv_delay= bits * 90000 / s->avctx->rc_max_rate; |
1360 | min_delay= (minbits * 90000LL + s->avctx->rc_max_rate - 1)/ s->avctx->rc_max_rate; | |
1361 | ||
1362 | vbv_delay= FFMAX(vbv_delay, min_delay); | |
1363 | ||
3ada94ba BF |
1364 | assert(vbv_delay < 0xFFFF); |
1365 | ||
1366 | s->vbv_delay_ptr[0] &= 0xF8; | |
1367 | s->vbv_delay_ptr[0] |= vbv_delay>>13; | |
1368 | s->vbv_delay_ptr[1] = vbv_delay>>5; | |
1369 | s->vbv_delay_ptr[2] &= 0x07; | |
1370 | s->vbv_delay_ptr[2] |= vbv_delay<<3; | |
55bad0c6 | 1371 | avctx->vbv_delay = vbv_delay*300; |
3ada94ba BF |
1372 | } |
1373 | s->total_bits += s->frame_bits; | |
1374 | avctx->frame_bits = s->frame_bits; | |
1375 | }else{ | |
fb53b4a0 | 1376 | assert((put_bits_ptr(&s->pb) == s->pb.buf)); |
3ada94ba BF |
1377 | s->frame_bits=0; |
1378 | } | |
1379 | assert((s->frame_bits&7)==0); | |
1380 | ||
1381 | return s->frame_bits/8; | |
1382 | } | |
1383 | ||
1384 | static inline void dct_single_coeff_elimination(MpegEncContext *s, int n, int threshold) | |
1385 | { | |
1386 | static const char tab[64]= | |
1387 | {3,2,2,1,1,1,1,1, | |
1388 | 1,1,1,1,1,1,1,1, | |
1389 | 1,1,1,1,1,1,1,1, | |
1390 | 0,0,0,0,0,0,0,0, | |
1391 | 0,0,0,0,0,0,0,0, | |
1392 | 0,0,0,0,0,0,0,0, | |
1393 | 0,0,0,0,0,0,0,0, | |
1394 | 0,0,0,0,0,0,0,0}; | |
1395 | int score=0; | |
1396 | int run=0; | |
1397 | int i; | |
1398 | DCTELEM *block= s->block[n]; | |
1399 | const int last_index= s->block_last_index[n]; | |
1400 | int skip_dc; | |
1401 | ||
1402 | if(threshold<0){ | |
1403 | skip_dc=0; | |
1404 | threshold= -threshold; | |
1405 | }else | |
1406 | skip_dc=1; | |
1407 | ||
bd107136 | 1408 | /* Are all we could set to zero already zero? */ |
3ada94ba BF |
1409 | if(last_index<=skip_dc - 1) return; |
1410 | ||
1411 | for(i=0; i<=last_index; i++){ | |
1412 | const int j = s->intra_scantable.permutated[i]; | |
1413 | const int level = FFABS(block[j]); | |
1414 | if(level==1){ | |
1415 | if(skip_dc && i==0) continue; | |
1416 | score+= tab[run]; | |
1417 | run=0; | |
1418 | }else if(level>1){ | |
1419 | return; | |
1420 | }else{ | |
1421 | run++; | |
1422 | } | |
1423 | } | |
1424 | if(score >= threshold) return; | |
1425 | for(i=skip_dc; i<=last_index; i++){ | |
1426 | const int j = s->intra_scantable.permutated[i]; | |
1427 | block[j]=0; | |
1428 | } | |
1429 | if(block[0]) s->block_last_index[n]= 0; | |
1430 | else s->block_last_index[n]= -1; | |
1431 | } | |
1432 | ||
1433 | static inline void clip_coeffs(MpegEncContext *s, DCTELEM *block, int last_index) | |
1434 | { | |
1435 | int i; | |
1436 | const int maxlevel= s->max_qcoeff; | |
1437 | const int minlevel= s->min_qcoeff; | |
1438 | int overflow=0; | |
1439 | ||
1440 | if(s->mb_intra){ | |
1441 | i=1; //skip clipping of intra dc | |
1442 | }else | |
1443 | i=0; | |
1444 | ||
1445 | for(;i<=last_index; i++){ | |
1446 | const int j= s->intra_scantable.permutated[i]; | |
1447 | int level = block[j]; | |
1448 | ||
1449 | if (level>maxlevel){ | |
1450 | level=maxlevel; | |
1451 | overflow++; | |
1452 | }else if(level<minlevel){ | |
1453 | level=minlevel; | |
1454 | overflow++; | |
1455 | } | |
1456 | ||
1457 | block[j]= level; | |
1458 | } | |
1459 | ||
1460 | if(overflow && s->avctx->mb_decision == FF_MB_DECISION_SIMPLE) | |
1461 | av_log(s->avctx, AV_LOG_INFO, "warning, clipping %d dct coefficients to %d..%d\n", overflow, minlevel, maxlevel); | |
1462 | } | |
1463 | ||
f073a393 | 1464 | static void get_visual_weight(int16_t *weight, uint8_t *ptr, int stride){ |
3ada94ba BF |
1465 | int x, y; |
1466 | //FIXME optimize | |
1467 | for(y=0; y<8; y++){ | |
1468 | for(x=0; x<8; x++){ | |
1469 | int x2, y2; | |
1470 | int sum=0; | |
1471 | int sqr=0; | |
1472 | int count=0; | |
1473 | ||
1474 | for(y2= FFMAX(y-1, 0); y2 < FFMIN(8, y+2); y2++){ | |
1475 | for(x2= FFMAX(x-1, 0); x2 < FFMIN(8, x+2); x2++){ | |
1476 | int v= ptr[x2 + y2*stride]; | |
1477 | sum += v; | |
1478 | sqr += v*v; | |
1479 | count++; | |
1480 | } | |
1481 | } | |
1482 | weight[x + 8*y]= (36*ff_sqrt(count*sqr - sum*sum)) / count; | |
1483 | } | |
1484 | } | |
1485 | } | |
1486 | ||
1487 | static av_always_inline void encode_mb_internal(MpegEncContext *s, int motion_x, int motion_y, int mb_block_height, int mb_block_count) | |
1488 | { | |
1489 | int16_t weight[8][64]; | |
1490 | DCTELEM orig[8][64]; | |
1491 | const int mb_x= s->mb_x; | |
1492 | const int mb_y= s->mb_y; | |
1493 | int i; | |
1494 | int skip_dct[8]; | |
1495 | int dct_offset = s->linesize*8; //default for progressive frames | |
1496 | uint8_t *ptr_y, *ptr_cb, *ptr_cr; | |
1497 | int wrap_y, wrap_c; | |
1498 | ||
1499 | for(i=0; i<mb_block_count; i++) skip_dct[i]=s->skipdct; | |
1500 | ||
1501 | if(s->adaptive_quant){ | |
1502 | const int last_qp= s->qscale; | |
1503 | const int mb_xy= mb_x + mb_y*s->mb_stride; | |
1504 | ||
1505 | s->lambda= s->lambda_table[mb_xy]; | |
1506 | update_qscale(s); | |
1507 | ||
1508 | if(!(s->flags&CODEC_FLAG_QP_RD)){ | |
1509 | s->qscale= s->current_picture_ptr->qscale_table[mb_xy]; | |
1510 | s->dquant= s->qscale - last_qp; | |
1511 | ||
1512 | if(s->out_format==FMT_H263){ | |
1513 | s->dquant= av_clip(s->dquant, -2, 2); | |
1514 | ||
1515 | if(s->codec_id==CODEC_ID_MPEG4){ | |
1516 | if(!s->mb_intra){ | |
975a1447 | 1517 | if(s->pict_type == AV_PICTURE_TYPE_B){ |
3ada94ba BF |
1518 | if(s->dquant&1 || s->mv_dir&MV_DIRECT) |
1519 | s->dquant= 0; | |
1520 | } | |
1521 | if(s->mv_type==MV_TYPE_8X8) | |
1522 | s->dquant=0; | |
1523 | } | |
1524 | } | |
1525 | } | |
1526 | } | |
1527 | ff_set_qscale(s, last_qp + s->dquant); | |
1528 | }else if(s->flags&CODEC_FLAG_QP_RD) | |
1529 | ff_set_qscale(s, s->qscale + s->dquant); | |
1530 | ||
1531 | wrap_y = s->linesize; | |
1532 | wrap_c = s->uvlinesize; | |
1533 | ptr_y = s->new_picture.data[0] + (mb_y * 16 * wrap_y) + mb_x * 16; | |
1534 | ptr_cb = s->new_picture.data[1] + (mb_y * mb_block_height * wrap_c) + mb_x * 8; | |
1535 | ptr_cr = s->new_picture.data[2] + (mb_y * mb_block_height * wrap_c) + mb_x * 8; | |
1536 | ||
1537 | if(mb_x*16+16 > s->width || mb_y*16+16 > s->height){ | |
1538 | uint8_t *ebuf= s->edge_emu_buffer + 32; | |
2e279598 | 1539 | s->dsp.emulated_edge_mc(ebuf , ptr_y , wrap_y,16,16,mb_x*16,mb_y*16, s->width , s->height); |
3ada94ba | 1540 | ptr_y= ebuf; |
2e279598 | 1541 | s->dsp.emulated_edge_mc(ebuf+18*wrap_y , ptr_cb, wrap_c, 8, mb_block_height, mb_x*8, mb_y*8, s->width>>1, s->height>>1); |
3ada94ba | 1542 | ptr_cb= ebuf+18*wrap_y; |
2e279598 | 1543 | s->dsp.emulated_edge_mc(ebuf+18*wrap_y+8, ptr_cr, wrap_c, 8, mb_block_height, mb_x*8, mb_y*8, s->width>>1, s->height>>1); |
3ada94ba BF |
1544 | ptr_cr= ebuf+18*wrap_y+8; |
1545 | } | |
1546 | ||
1547 | if (s->mb_intra) { | |
1548 | if(s->flags&CODEC_FLAG_INTERLACED_DCT){ | |
1549 | int progressive_score, interlaced_score; | |
1550 | ||
1551 | s->interlaced_dct=0; | |
1552 | progressive_score= s->dsp.ildct_cmp[4](s, ptr_y , NULL, wrap_y, 8) | |
1553 | +s->dsp.ildct_cmp[4](s, ptr_y + wrap_y*8, NULL, wrap_y, 8) - 400; | |
1554 | ||
1555 | if(progressive_score > 0){ | |
1556 | interlaced_score = s->dsp.ildct_cmp[4](s, ptr_y , NULL, wrap_y*2, 8) | |
1557 | +s->dsp.ildct_cmp[4](s, ptr_y + wrap_y , NULL, wrap_y*2, 8); | |
1558 | if(progressive_score > interlaced_score){ | |
1559 | s->interlaced_dct=1; | |
1560 | ||
1561 | dct_offset= wrap_y; | |
1562 | wrap_y<<=1; | |
1563 | if (s->chroma_format == CHROMA_422) | |
1564 | wrap_c<<=1; | |
1565 | } | |
1566 | } | |
1567 | } | |
1568 | ||
1569 | s->dsp.get_pixels(s->block[0], ptr_y , wrap_y); | |
1570 | s->dsp.get_pixels(s->block[1], ptr_y + 8, wrap_y); | |
1571 | s->dsp.get_pixels(s->block[2], ptr_y + dct_offset , wrap_y); | |
1572 | s->dsp.get_pixels(s->block[3], ptr_y + dct_offset + 8, wrap_y); | |
1573 | ||
1574 | if(s->flags&CODEC_FLAG_GRAY){ | |
1575 | skip_dct[4]= 1; | |
1576 | skip_dct[5]= 1; | |
1577 | }else{ | |
1578 | s->dsp.get_pixels(s->block[4], ptr_cb, wrap_c); | |
1579 | s->dsp.get_pixels(s->block[5], ptr_cr, wrap_c); | |
1580 | if(!s->chroma_y_shift){ /* 422 */ | |
1581 | s->dsp.get_pixels(s->block[6], ptr_cb + (dct_offset>>1), wrap_c); | |
1582 | s->dsp.get_pixels(s->block[7], ptr_cr + (dct_offset>>1), wrap_c); | |
1583 | } | |
1584 | } | |
1585 | }else{ | |
1586 | op_pixels_func (*op_pix)[4]; | |
1587 | qpel_mc_func (*op_qpix)[16]; | |
1588 | uint8_t *dest_y, *dest_cb, *dest_cr; | |
1589 | ||
1590 | dest_y = s->dest[0]; | |
1591 | dest_cb = s->dest[1]; | |
1592 | dest_cr = s->dest[2]; | |
1593 | ||
975a1447 | 1594 | if ((!s->no_rounding) || s->pict_type==AV_PICTURE_TYPE_B){ |
3ada94ba BF |
1595 | op_pix = s->dsp.put_pixels_tab; |
1596 | op_qpix= s->dsp.put_qpel_pixels_tab; | |
1597 | }else{ | |
1598 | op_pix = s->dsp.put_no_rnd_pixels_tab; | |
1599 | op_qpix= s->dsp.put_no_rnd_qpel_pixels_tab; | |
1600 | } | |
1601 | ||
1602 | if (s->mv_dir & MV_DIR_FORWARD) { | |
1603 | MPV_motion(s, dest_y, dest_cb, dest_cr, 0, s->last_picture.data, op_pix, op_qpix); | |
1604 | op_pix = s->dsp.avg_pixels_tab; | |
1605 | op_qpix= s->dsp.avg_qpel_pixels_tab; | |
1606 | } | |
1607 | if (s->mv_dir & MV_DIR_BACKWARD) { | |
1608 | MPV_motion(s, dest_y, dest_cb, dest_cr, 1, s->next_picture.data, op_pix, op_qpix); | |
1609 | } | |
1610 | ||
1611 | if(s->flags&CODEC_FLAG_INTERLACED_DCT){ | |
1612 | int progressive_score, interlaced_score; | |
1613 | ||
1614 | s->interlaced_dct=0; | |
1615 | progressive_score= s->dsp.ildct_cmp[0](s, dest_y , ptr_y , wrap_y, 8) | |
1616 | +s->dsp.ildct_cmp[0](s, dest_y + wrap_y*8, ptr_y + wrap_y*8, wrap_y, 8) - 400; | |
1617 | ||
1618 | if(s->avctx->ildct_cmp == FF_CMP_VSSE) progressive_score -= 400; | |
1619 | ||
1620 | if(progressive_score>0){ | |
1621 | interlaced_score = s->dsp.ildct_cmp[0](s, dest_y , ptr_y , wrap_y*2, 8) | |
1622 | +s->dsp.ildct_cmp[0](s, dest_y + wrap_y , ptr_y + wrap_y , wrap_y*2, 8); | |
1623 | ||
1624 | if(progressive_score > interlaced_score){ | |
1625 | s->interlaced_dct=1; | |
1626 | ||
1627 | dct_offset= wrap_y; | |
1628 | wrap_y<<=1; | |
1629 | if (s->chroma_format == CHROMA_422) | |
1630 | wrap_c<<=1; | |
1631 | } | |
1632 | } | |
1633 | } | |
1634 | ||
1635 | s->dsp.diff_pixels(s->block[0], ptr_y , dest_y , wrap_y); | |
1636 | s->dsp.diff_pixels(s->block[1], ptr_y + 8, dest_y + 8, wrap_y); | |
1637 | s->dsp.diff_pixels(s->block[2], ptr_y + dct_offset , dest_y + dct_offset , wrap_y); | |
1638 | s->dsp.diff_pixels(s->block[3], ptr_y + dct_offset + 8, dest_y + dct_offset + 8, wrap_y); | |
1639 | ||
1640 | if(s->flags&CODEC_FLAG_GRAY){ | |
1641 | skip_dct[4]= 1; | |
1642 | skip_dct[5]= 1; | |
1643 | }else{ | |
1644 | s->dsp.diff_pixels(s->block[4], ptr_cb, dest_cb, wrap_c); | |
1645 | s->dsp.diff_pixels(s->block[5], ptr_cr, dest_cr, wrap_c); | |
1646 | if(!s->chroma_y_shift){ /* 422 */ | |
1647 | s->dsp.diff_pixels(s->block[6], ptr_cb + (dct_offset>>1), dest_cb + (dct_offset>>1), wrap_c); | |
1648 | s->dsp.diff_pixels(s->block[7], ptr_cr + (dct_offset>>1), dest_cr + (dct_offset>>1), wrap_c); | |
1649 | } | |
1650 | } | |
1651 | /* pre quantization */ | |
1652 | if(s->current_picture.mc_mb_var[s->mb_stride*mb_y+ mb_x]<2*s->qscale*s->qscale){ | |
1653 | //FIXME optimize | |
1654 | if(s->dsp.sad[1](NULL, ptr_y , dest_y , wrap_y, 8) < 20*s->qscale) skip_dct[0]= 1; | |
1655 | if(s->dsp.sad[1](NULL, ptr_y + 8, dest_y + 8, wrap_y, 8) < 20*s->qscale) skip_dct[1]= 1; | |
1656 | if(s->dsp.sad[1](NULL, ptr_y +dct_offset , dest_y +dct_offset , wrap_y, 8) < 20*s->qscale) skip_dct[2]= 1; | |
1657 | if(s->dsp.sad[1](NULL, ptr_y +dct_offset+ 8, dest_y +dct_offset+ 8, wrap_y, 8) < 20*s->qscale) skip_dct[3]= 1; | |
1658 | if(s->dsp.sad[1](NULL, ptr_cb , dest_cb , wrap_c, 8) < 20*s->qscale) skip_dct[4]= 1; | |
1659 | if(s->dsp.sad[1](NULL, ptr_cr , dest_cr , wrap_c, 8) < 20*s->qscale) skip_dct[5]= 1; | |
1660 | if(!s->chroma_y_shift){ /* 422 */ | |
1661 | if(s->dsp.sad[1](NULL, ptr_cb +(dct_offset>>1), dest_cb +(dct_offset>>1), wrap_c, 8) < 20*s->qscale) skip_dct[6]= 1; | |
1662 | if(s->dsp.sad[1](NULL, ptr_cr +(dct_offset>>1), dest_cr +(dct_offset>>1), wrap_c, 8) < 20*s->qscale) skip_dct[7]= 1; | |
1663 | } | |
1664 | } | |
1665 | } | |
1666 | ||
1667 | if(s->avctx->quantizer_noise_shaping){ | |
f073a393 DB |
1668 | if(!skip_dct[0]) get_visual_weight(weight[0], ptr_y , wrap_y); |
1669 | if(!skip_dct[1]) get_visual_weight(weight[1], ptr_y + 8, wrap_y); | |
1670 | if(!skip_dct[2]) get_visual_weight(weight[2], ptr_y + dct_offset , wrap_y); | |
1671 | if(!skip_dct[3]) get_visual_weight(weight[3], ptr_y + dct_offset + 8, wrap_y); | |
1672 | if(!skip_dct[4]) get_visual_weight(weight[4], ptr_cb , wrap_c); | |
1673 | if(!skip_dct[5]) get_visual_weight(weight[5], ptr_cr , wrap_c); | |
3ada94ba | 1674 | if(!s->chroma_y_shift){ /* 422 */ |
f073a393 DB |
1675 | if(!skip_dct[6]) get_visual_weight(weight[6], ptr_cb + (dct_offset>>1), wrap_c); |
1676 | if(!skip_dct[7]) get_visual_weight(weight[7], ptr_cr + (dct_offset>>1), wrap_c); | |
3ada94ba BF |
1677 | } |
1678 | memcpy(orig[0], s->block[0], sizeof(DCTELEM)*64*mb_block_count); | |
1679 | } | |
1680 | ||
1681 | /* DCT & quantize */ | |
1682 | assert(s->out_format!=FMT_MJPEG || s->qscale==8); | |
1683 | { | |
1684 | for(i=0;i<mb_block_count;i++) { | |
1685 | if(!skip_dct[i]){ | |
1686 | int overflow; | |
1687 | s->block_last_index[i] = s->dct_quantize(s, s->block[i], i, s->qscale, &overflow); | |
1688 | // FIXME we could decide to change to quantizer instead of clipping | |
1689 | // JS: I don't think that would be a good idea it could lower quality instead | |
1690 | // of improve it. Just INTRADC clipping deserves changes in quantizer | |
1691 | if (overflow) clip_coeffs(s, s->block[i], s->block_last_index[i]); | |
1692 | }else | |
1693 | s->block_last_index[i]= -1; | |
1694 | } | |
1695 | if(s->avctx->quantizer_noise_shaping){ | |
1696 | for(i=0;i<mb_block_count;i++) { | |
1697 | if(!skip_dct[i]){ | |
1698 | s->block_last_index[i] = dct_quantize_refine(s, s->block[i], weight[i], orig[i], i, s->qscale); | |
1699 | } | |
1700 | } | |
1701 | } | |
1702 | ||
1703 | if(s->luma_elim_threshold && !s->mb_intra) | |
1704 | for(i=0; i<4; i++) | |
1705 | dct_single_coeff_elimination(s, i, s->luma_elim_threshold); | |
1706 | if(s->chroma_elim_threshold && !s->mb_intra) | |
1707 | for(i=4; i<mb_block_count; i++) | |
1708 | dct_single_coeff_elimination(s, i, s->chroma_elim_threshold); | |
1709 | ||
1710 | if(s->flags & CODEC_FLAG_CBP_RD){ | |
1711 | for(i=0;i<mb_block_count;i++) { | |
1712 | if(s->block_last_index[i] == -1) | |
1713 | s->coded_score[i]= INT_MAX/256; | |
1714 | } | |
1715 | } | |
1716 | } | |
1717 | ||
1718 | if((s->flags&CODEC_FLAG_GRAY) && s->mb_intra){ | |
1719 | s->block_last_index[4]= | |
1720 | s->block_last_index[5]= 0; | |
1721 | s->block[4][0]= | |
1722 | s->block[5][0]= (1024 + s->c_dc_scale/2)/ s->c_dc_scale; | |
1723 | } | |
1724 | ||
1725 | //non c quantize code returns incorrect block_last_index FIXME | |
1726 | if(s->alternate_scan && s->dct_quantize != dct_quantize_c){ | |
1727 | for(i=0; i<mb_block_count; i++){ | |
1728 | int j; | |
1729 | if(s->block_last_index[i]>0){ | |
1730 | for(j=63; j>0; j--){ | |
1731 | if(s->block[i][ s->intra_scantable.permutated[j] ]) break; | |
1732 | } | |
1733 | s->block_last_index[i]= j; | |
1734 | } | |
1735 | } | |
1736 | } | |
1737 | ||
1738 | /* huffman encode */ | |
1739 | switch(s->codec_id){ //FIXME funct ptr could be slightly faster | |
1740 | case CODEC_ID_MPEG1VIDEO: | |
1741 | case CODEC_ID_MPEG2VIDEO: | |
49fb20cb | 1742 | if (CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER) |
56be950a AJ |
1743 | mpeg1_encode_mb(s, s->block, motion_x, motion_y); |
1744 | break; | |
3ada94ba | 1745 | case CODEC_ID_MPEG4: |
49fb20cb | 1746 | if (CONFIG_MPEG4_ENCODER) |
674eeb5f AJ |
1747 | mpeg4_encode_mb(s, s->block, motion_x, motion_y); |
1748 | break; | |
3ada94ba BF |
1749 | case CODEC_ID_MSMPEG4V2: |
1750 | case CODEC_ID_MSMPEG4V3: | |
1751 | case CODEC_ID_WMV1: | |
49fb20cb | 1752 | if (CONFIG_MSMPEG4_ENCODER) |
3ada94ba BF |
1753 | msmpeg4_encode_mb(s, s->block, motion_x, motion_y); |
1754 | break; | |
1755 | case CODEC_ID_WMV2: | |
49fb20cb | 1756 | if (CONFIG_WMV2_ENCODER) |
3ada94ba BF |
1757 | ff_wmv2_encode_mb(s, s->block, motion_x, motion_y); |
1758 | break; | |
1759 | case CODEC_ID_H261: | |
49fb20cb | 1760 | if (CONFIG_H261_ENCODER) |
3ada94ba BF |
1761 | ff_h261_encode_mb(s, s->block, motion_x, motion_y); |
1762 | break; | |
1763 | case CODEC_ID_H263: | |
1764 | case CODEC_ID_H263P: | |
1765 | case CODEC_ID_FLV1: | |
1766 | case CODEC_ID_RV10: | |
1767 | case CODEC_ID_RV20: | |
0bd48530 | 1768 | if (CONFIG_H263_ENCODER) |
674eeb5f AJ |
1769 | h263_encode_mb(s, s->block, motion_x, motion_y); |
1770 | break; | |
3ada94ba | 1771 | case CODEC_ID_MJPEG: |
49fb20cb | 1772 | if (CONFIG_MJPEG_ENCODER) |
3ada94ba BF |
1773 | ff_mjpeg_encode_mb(s, s->block); |
1774 | break; | |
1775 | default: | |
1776 | assert(0); | |
1777 | } | |
1778 | } | |
1779 | ||
1780 | static av_always_inline void encode_mb(MpegEncContext *s, int motion_x, int motion_y) | |
1781 | { | |
1782 | if (s->chroma_format == CHROMA_420) encode_mb_internal(s, motion_x, motion_y, 8, 6); | |
1783 | else encode_mb_internal(s, motion_x, motion_y, 16, 8); | |
1784 | } | |
1785 | ||
3ada94ba BF |
1786 | static inline void copy_context_before_encode(MpegEncContext *d, MpegEncContext *s, int type){ |
1787 | int i; | |
1788 | ||
1789 | memcpy(d->last_mv, s->last_mv, 2*2*2*sizeof(int)); //FIXME is memcpy faster then a loop? | |
1790 | ||
1791 | /* mpeg1 */ | |
1792 | d->mb_skip_run= s->mb_skip_run; | |
1793 | for(i=0; i<3; i++) | |
1794 | d->last_dc[i]= s->last_dc[i]; | |
1795 | ||
1796 | /* statistics */ | |
1797 | d->mv_bits= s->mv_bits; | |
1798 | d->i_tex_bits= s->i_tex_bits; | |
1799 | d->p_tex_bits= s->p_tex_bits; | |
1800 | d->i_count= s->i_count; | |
1801 | d->f_count= s->f_count; | |
1802 | d->b_count= s->b_count; | |
1803 | d->skip_count= s->skip_count; | |
1804 | d->misc_bits= s->misc_bits; | |
1805 | d->last_bits= 0; | |
1806 | ||
1807 | d->mb_skipped= 0; | |
1808 | d->qscale= s->qscale; | |
1809 | d->dquant= s->dquant; | |
9f175aa0 MN |
1810 | |
1811 | d->esc3_level_length= s->esc3_level_length; | |
3ada94ba BF |
1812 | } |
1813 | ||
1814 | static inline void copy_context_after_encode(MpegEncContext *d, MpegEncContext *s, int type){ | |
1815 | int i; | |
1816 | ||
1817 | memcpy(d->mv, s->mv, 2*4*2*sizeof(int)); | |
1818 | memcpy(d->last_mv, s->last_mv, 2*2*2*sizeof(int)); //FIXME is memcpy faster then a loop? | |
1819 | ||
1820 | /* mpeg1 */ | |
1821 | d->mb_skip_run= s->mb_skip_run; | |
1822 | for(i=0; i<3; i++) | |
1823 | d->last_dc[i]= s->last_dc[i]; | |
1824 | ||
1825 | /* statistics */ | |
1826 | d->mv_bits= s->mv_bits; | |
1827 | d->i_tex_bits= s->i_tex_bits; | |
1828 | d->p_tex_bits= s->p_tex_bits; | |
1829 | d->i_count= s->i_count; | |
1830 | d->f_count= s->f_count; | |
1831 | d->b_count= s->b_count; | |
1832 | d->skip_count= s->skip_count; | |
1833 | d->misc_bits= s->misc_bits; | |
1834 | ||
1835 | d->mb_intra= s->mb_intra; | |
1836 | d->mb_skipped= s->mb_skipped; | |
1837 | d->mv_type= s->mv_type; | |
1838 | d->mv_dir= s->mv_dir; | |
1839 | d->pb= s->pb; | |
1840 | if(s->data_partitioning){ | |
1841 | d->pb2= s->pb2; | |
1842 | d->tex_pb= s->tex_pb; | |
1843 | } | |
1844 | d->block= s->block; | |
1845 | for(i=0; i<8; i++) | |
1846 | d->block_last_index[i]= s->block_last_index[i]; | |
1847 | d->interlaced_dct= s->interlaced_dct; | |
1848 | d->qscale= s->qscale; | |
9f175aa0 MN |
1849 | |
1850 | d->esc3_level_length= s->esc3_level_length; | |
3ada94ba BF |
1851 | } |
1852 | ||
1853 | static inline void encode_mb_hq(MpegEncContext *s, MpegEncContext *backup, MpegEncContext *best, int type, | |
1854 | PutBitContext pb[2], PutBitContext pb2[2], PutBitContext tex_pb[2], | |
1855 | int *dmin, int *next_block, int motion_x, int motion_y) | |
1856 | { | |
1857 | int score; | |
1858 | uint8_t *dest_backup[3]; | |
1859 | ||
1860 | copy_context_before_encode(s, backup, type); | |
1861 | ||
1862 | s->block= s->blocks[*next_block]; | |
1863 | s->pb= pb[*next_block]; | |
1864 | if(s->data_partitioning){ | |
1865 | s->pb2 = pb2 [*next_block]; | |
1866 | s->tex_pb= tex_pb[*next_block]; | |
1867 | } | |
1868 | ||
1869 | if(*next_block){ | |
1870 | memcpy(dest_backup, s->dest, sizeof(s->dest)); | |
1871 | s->dest[0] = s->rd_scratchpad; | |
1872 | s->dest[1] = s->rd_scratchpad + 16*s->linesize; | |
1873 | s->dest[2] = s->rd_scratchpad + 16*s->linesize + 8; | |
1874 | assert(s->linesize >= 32); //FIXME | |
1875 | } | |
1876 | ||
1877 | encode_mb(s, motion_x, motion_y); | |
1878 | ||
1879 | score= put_bits_count(&s->pb); | |
1880 | if(s->data_partitioning){ | |
1881 | score+= put_bits_count(&s->pb2); | |
1882 | score+= put_bits_count(&s->tex_pb); | |
1883 | } | |
1884 | ||
1885 | if(s->avctx->mb_decision == FF_MB_DECISION_RD){ | |
1886 | MPV_decode_mb(s, s->block); | |
1887 | ||
1888 | score *= s->lambda2; | |
1889 | score += sse_mb(s) << FF_LAMBDA_SHIFT; | |
1890 | } | |
1891 | ||
1892 | if(*next_block){ | |
1893 | memcpy(s->dest, dest_backup, sizeof(s->dest)); | |
1894 | } | |
1895 | ||
1896 | if(score<*dmin){ | |
1897 | *dmin= score; | |
1898 | *next_block^=1; | |
1899 | ||
1900 | copy_context_after_encode(best, s, type); | |
1901 | } | |
1902 | } | |
1903 | ||
1904 | static int sse(MpegEncContext *s, uint8_t *src1, uint8_t *src2, int w, int h, int stride){ | |
1905 | uint32_t *sq = ff_squareTbl + 256; | |
1906 | int acc=0; | |
1907 | int x,y; | |
1908 | ||
1909 | if(w==16 && h==16) | |
1910 | return s->dsp.sse[0](NULL, src1, src2, stride, 16); | |
1911 | else if(w==8 && h==8) | |
1912 | return s->dsp.sse[1](NULL, src1, src2, stride, 8); | |
1913 | ||
1914 | for(y=0; y<h; y++){ | |
1915 | for(x=0; x<w; x++){ | |
1916 | acc+= sq[src1[x + y*stride] - src2[x + y*stride]]; | |
1917 | } | |
1918 | } | |
1919 | ||
1920 | assert(acc>=0); | |
1921 | ||
1922 | return acc; | |
1923 | } | |
1924 | ||
1925 | static int sse_mb(MpegEncContext *s){ | |
1926 | int w= 16; | |
1927 | int h= 16; | |
1928 | ||
1929 | if(s->mb_x*16 + 16 > s->width ) w= s->width - s->mb_x*16; | |
1930 | if(s->mb_y*16 + 16 > s->height) h= s->height- s->mb_y*16; | |
1931 | ||
1932 | if(w==16 && h==16) | |
1933 | if(s->avctx->mb_cmp == FF_CMP_NSSE){ | |
1934 | return s->dsp.nsse[0](s, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*s->linesize*16, s->dest[0], s->linesize, 16) | |
1935 | +s->dsp.nsse[1](s, s->new_picture.data[1] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,s->dest[1], s->uvlinesize, 8) | |
1936 | +s->dsp.nsse[1](s, s->new_picture.data[2] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,s->dest[2], s->uvlinesize, 8); | |
1937 | }else{ | |
1938 | return s->dsp.sse[0](NULL, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*s->linesize*16, s->dest[0], s->linesize, 16) | |
1939 | +s->dsp.sse[1](NULL, s->new_picture.data[1] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,s->dest[1], s->uvlinesize, 8) | |
1940 | +s->dsp.sse[1](NULL, s->new_picture.data[2] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,s->dest[2], s->uvlinesize, 8); | |
1941 | } | |
1942 | else | |
1943 | return sse(s, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*s->linesize*16, s->dest[0], w, h, s->linesize) | |
1944 | +sse(s, s->new_picture.data[1] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,s->dest[1], w>>1, h>>1, s->uvlinesize) | |
1945 | +sse(s, s->new_picture.data[2] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,s->dest[2], w>>1, h>>1, s->uvlinesize); | |
1946 | } | |
1947 | ||
1948 | static int pre_estimate_motion_thread(AVCodecContext *c, void *arg){ | |
3a84713a | 1949 | MpegEncContext *s= *(void**)arg; |
3ada94ba BF |
1950 | |
1951 | ||
1952 | s->me.pre_pass=1; | |
1953 | s->me.dia_size= s->avctx->pre_dia_size; | |
1954 | s->first_slice_line=1; | |
1955 | for(s->mb_y= s->end_mb_y-1; s->mb_y >= s->start_mb_y; s->mb_y--) { | |
1956 | for(s->mb_x=s->mb_width-1; s->mb_x >=0 ;s->mb_x--) { | |
1957 | ff_pre_estimate_p_frame_motion(s, s->mb_x, s->mb_y); | |
1958 | } | |
1959 | s->first_slice_line=0; | |
1960 | } | |
1961 | ||
1962 | s->me.pre_pass=0; | |
1963 | ||
1964 | return 0; | |
1965 | } | |
1966 | ||
1967 | static int estimate_motion_thread(AVCodecContext *c, void *arg){ | |
3a84713a | 1968 | MpegEncContext *s= *(void**)arg; |
3ada94ba BF |
1969 | |
1970 | ff_check_alignment(); | |
1971 | ||
1972 | s->me.dia_size= s->avctx->dia_size; | |
1973 | s->first_slice_line=1; | |
1974 | for(s->mb_y= s->start_mb_y; s->mb_y < s->end_mb_y; s->mb_y++) { | |
1975 | s->mb_x=0; //for block init below | |
1976 | ff_init_block_index(s); | |
1977 | for(s->mb_x=0; s->mb_x < s->mb_width; s->mb_x++) { | |
1978 | s->block_index[0]+=2; | |
1979 | s->block_index[1]+=2; | |
1980 | s->block_index[2]+=2; | |
1981 | s->block_index[3]+=2; | |
1982 | ||
1983 | /* compute motion vector & mb_type and store in context */ | |
975a1447 | 1984 | if(s->pict_type==AV_PICTURE_TYPE_B) |
3ada94ba BF |
1985 | ff_estimate_b_frame_motion(s, s->mb_x, s->mb_y); |
1986 | else | |
1987 | ff_estimate_p_frame_motion(s, s->mb_x, s->mb_y); | |
1988 | } | |
1989 | s->first_slice_line=0; | |
1990 | } | |
1991 | return 0; | |
1992 | } | |
1993 | ||
1994 | static int mb_var_thread(AVCodecContext *c, void *arg){ | |
3a84713a | 1995 | MpegEncContext *s= *(void**)arg; |
3ada94ba BF |
1996 | int mb_x, mb_y; |
1997 | ||
1998 | ff_check_alignment(); | |
1999 | ||
2000 | for(mb_y=s->start_mb_y; mb_y < s->end_mb_y; mb_y++) { | |
2001 | for(mb_x=0; mb_x < s->mb_width; mb_x++) { | |
2002 | int xx = mb_x * 16; | |
2003 | int yy = mb_y * 16; | |
2004 | uint8_t *pix = s->new_picture.data[0] + (yy * s->linesize) + xx; | |
2005 | int varc; | |
2006 | int sum = s->dsp.pix_sum(pix, s->linesize); | |
2007 | ||
2008 | varc = (s->dsp.pix_norm1(pix, s->linesize) - (((unsigned)(sum*sum))>>8) + 500 + 128)>>8; | |
2009 | ||
2010 | s->current_picture.mb_var [s->mb_stride * mb_y + mb_x] = varc; | |
2011 | s->current_picture.mb_mean[s->mb_stride * mb_y + mb_x] = (sum+128)>>8; | |
2012 | s->me.mb_var_sum_temp += varc; | |
2013 | } | |
2014 | } | |
2015 | return 0; | |
2016 | } | |
2017 | ||
2018 | static void write_slice_end(MpegEncContext *s){ | |
49fb20cb | 2019 | if(CONFIG_MPEG4_ENCODER && s->codec_id==CODEC_ID_MPEG4){ |
3ada94ba BF |
2020 | if(s->partitioned_frame){ |
2021 | ff_mpeg4_merge_partitions(s); | |
2022 | } | |
2023 | ||
2024 | ff_mpeg4_stuffing(&s->pb); | |
49fb20cb | 2025 | }else if(CONFIG_MJPEG_ENCODER && s->out_format == FMT_MJPEG){ |
3ada94ba BF |
2026 | ff_mjpeg_encode_stuffing(&s->pb); |
2027 | } | |
2028 | ||
2029 | align_put_bits(&s->pb); | |
2030 | flush_put_bits(&s->pb); | |
2031 | ||
2032 | if((s->flags&CODEC_FLAG_PASS1) && !s->partitioned_frame) | |
2033 | s->misc_bits+= get_bits_diff(s); | |
2034 | } | |
2035 | ||
2036 | static int encode_thread(AVCodecContext *c, void *arg){ | |
3a84713a | 2037 | MpegEncContext *s= *(void**)arg; |
3ada94ba | 2038 | int mb_x, mb_y, pdif = 0; |
ec7e2582 | 2039 | int chr_h= 16>>s->chroma_y_shift; |
3ada94ba BF |
2040 | int i, j; |
2041 | MpegEncContext best_s, backup_s; | |
2042 | uint8_t bit_buf[2][MAX_MB_BYTES]; | |
2043 | uint8_t bit_buf2[2][MAX_MB_BYTES]; | |
2044 | uint8_t bit_buf_tex[2][MAX_MB_BYTES]; | |
2045 | PutBitContext pb[2], pb2[2], tex_pb[2]; | |
2046 | //printf("%d->%d\n", s->resync_mb_y, s->end_mb_y); | |
2047 | ||
2048 | ff_check_alignment(); | |
2049 | ||
2050 | for(i=0; i<2; i++){ | |
2051 | init_put_bits(&pb [i], bit_buf [i], MAX_MB_BYTES); | |
2052 | init_put_bits(&pb2 [i], bit_buf2 [i], MAX_MB_BYTES); | |
2053 | init_put_bits(&tex_pb[i], bit_buf_tex[i], MAX_MB_BYTES); | |
2054 | } | |
2055 | ||
2056 | s->last_bits= put_bits_count(&s->pb); | |
2057 | s->mv_bits=0; | |
2058 | s->misc_bits=0; | |
2059 | s->i_tex_bits=0; | |
2060 | s->p_tex_bits=0; | |
2061 | s->i_count=0; | |
2062 | s->f_count=0; | |
2063 | s->b_count=0; | |
2064 | s->skip_count=0; | |
2065 | ||
2066 | for(i=0; i<3; i++){ | |
2067 | /* init last dc values */ | |
2068 | /* note: quant matrix value (8) is implied here */ | |
2069 | s->last_dc[i] = 128 << s->intra_dc_precision; | |
2070 | ||
2071 | s->current_picture.error[i] = 0; | |
2072 | } | |
2073 | s->mb_skip_run = 0; | |
2074 | memset(s->last_mv, 0, sizeof(s->last_mv)); | |
2075 | ||
2076 | s->last_mv_dir = 0; | |
2077 | ||
2078 | switch(s->codec_id){ | |
2079 | case CODEC_ID_H263: | |
2080 | case CODEC_ID_H263P: | |
2081 | case CODEC_ID_FLV1: | |
0bd48530 | 2082 | if (CONFIG_H263_ENCODER) |
674eeb5f | 2083 | s->gob_index = ff_h263_get_gob_height(s); |
3ada94ba BF |
2084 | break; |
2085 | case CODEC_ID_MPEG4: | |
49fb20cb | 2086 | if(CONFIG_MPEG4_ENCODER && s->partitioned_frame) |
3ada94ba BF |
2087 | ff_mpeg4_init_partitions(s); |
2088 | break; | |
2089 | } | |
2090 | ||
2091 | s->resync_mb_x=0; | |
2092 | s->resync_mb_y=0; | |
2093 | s->first_slice_line = 1; | |
2094 | s->ptr_lastgob = s->pb.buf; | |
2095 | for(mb_y= s->start_mb_y; mb_y < s->end_mb_y; mb_y++) { | |
2096 | // printf("row %d at %X\n", s->mb_y, (int)s); | |
2097 | s->mb_x=0; | |
2098 | s->mb_y= mb_y; | |
2099 | ||
2100 | ff_set_qscale(s, s->qscale); | |
2101 | ff_init_block_index(s); | |
2102 | ||
2103 | for(mb_x=0; mb_x < s->mb_width; mb_x++) { | |
2104 | int xy= mb_y*s->mb_stride + mb_x; // removed const, H261 needs to adjust this | |
2105 | int mb_type= s->mb_type[xy]; | |
2106 | // int d; | |
2107 | int dmin= INT_MAX; | |
2108 | int dir; | |
2109 | ||
2110 | if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < MAX_MB_BYTES){ | |
2111 | av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n"); | |
2112 | return -1; | |
2113 | } | |
2114 | if(s->data_partitioning){ | |
2115 | if( s->pb2 .buf_end - s->pb2 .buf - (put_bits_count(&s-> pb2)>>3) < MAX_MB_BYTES | |
2116 | || s->tex_pb.buf_end - s->tex_pb.buf - (put_bits_count(&s->tex_pb )>>3) < MAX_MB_BYTES){ | |
2117 | av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n"); | |
2118 | return -1; | |
2119 | } | |
2120 | } | |
2121 | ||
2122 | s->mb_x = mb_x; | |
2123 | s->mb_y = mb_y; // moved into loop, can get changed by H.261 | |
2124 | ff_update_block_index(s); | |
2125 | ||
49fb20cb | 2126 | if(CONFIG_H261_ENCODER && s->codec_id == CODEC_ID_H261){ |
3ada94ba BF |
2127 | ff_h261_reorder_mb_index(s); |
2128 | xy= s->mb_y*s->mb_stride + s->mb_x; | |
2129 | mb_type= s->mb_type[xy]; | |
2130 | } | |
2131 | ||
2132 | /* write gob / video packet header */ | |
2133 | if(s->rtp_mode){ | |
2134 | int current_packet_size, is_gob_start; | |
2135 | ||
2136 | current_packet_size= ((put_bits_count(&s->pb)+7)>>3) - (s->ptr_lastgob - s->pb.buf); | |
2137 | ||
2138 | is_gob_start= s->avctx->rtp_payload_size && current_packet_size >= s->avctx->rtp_payload_size && mb_y + mb_x>0; | |
2139 | ||
2140 | if(s->start_mb_y == mb_y && mb_y > 0 && mb_x==0) is_gob_start=1; | |
2141 | ||
2142 | switch(s->codec_id){ | |
2143 | case CODEC_ID_H263: | |
2144 | case CODEC_ID_H263P: | |
2145 | if(!s->h263_slice_structured) | |
2146 | if(s->mb_x || s->mb_y%s->gob_index) is_gob_start=0; | |
2147 | break; | |
2148 | case CODEC_ID_MPEG2VIDEO: | |
2149 | if(s->mb_x==0 && s->mb_y!=0) is_gob_start=1; | |
2150 | case CODEC_ID_MPEG1VIDEO: | |
2151 | if(s->mb_skip_run) is_gob_start=0; | |
2152 | break; | |
2153 | } | |
2154 | ||
2155 | if(is_gob_start){ | |
2156 | if(s->start_mb_y != mb_y || mb_x!=0){ | |
2157 | write_slice_end(s); | |
2158 | ||
49fb20cb | 2159 | if(CONFIG_MPEG4_ENCODER && s->codec_id==CODEC_ID_MPEG4 && s->partitioned_frame){ |
3ada94ba BF |
2160 | ff_mpeg4_init_partitions(s); |
2161 | } | |
2162 | } | |
2163 | ||
2164 | assert((put_bits_count(&s->pb)&7) == 0); | |
fb53b4a0 | 2165 | current_packet_size= put_bits_ptr(&s->pb) - s->ptr_lastgob; |
3ada94ba BF |
2166 | |
2167 | if(s->avctx->error_rate && s->resync_mb_x + s->resync_mb_y > 0){ | |
2168 | int r= put_bits_count(&s->pb)/8 + s->picture_number + 16 + s->mb_x + s->mb_y; | |
2169 | int d= 100 / s->avctx->error_rate; | |
2170 | if(r % d == 0){ | |
2171 | current_packet_size=0; | |
2172 | #ifndef ALT_BITSTREAM_WRITER | |
2173 | s->pb.buf_ptr= s->ptr_lastgob; | |
2174 | #endif | |
fb53b4a0 | 2175 | assert(put_bits_ptr(&s->pb) == s->ptr_lastgob); |
3ada94ba BF |
2176 | } |
2177 | } | |
2178 | ||
2179 | if (s->avctx->rtp_callback){ | |
2180 | int number_mb = (mb_y - s->resync_mb_y)*s->mb_width + mb_x - s->resync_mb_x; | |
2181 | s->avctx->rtp_callback(s->avctx, s->ptr_lastgob, current_packet_size, number_mb); | |
2182 | } | |
2183 | ||
2184 | switch(s->codec_id){ | |
2185 | case CODEC_ID_MPEG4: | |
49fb20cb | 2186 | if (CONFIG_MPEG4_ENCODER) { |
674eeb5f AJ |
2187 | ff_mpeg4_encode_video_packet_header(s); |
2188 | ff_mpeg4_clean_buffers(s); | |
eb75a698 | 2189 | } |
3ada94ba BF |
2190 | break; |
2191 | case CODEC_ID_MPEG1VIDEO: | |
2192 | case CODEC_ID_MPEG2VIDEO: | |
49fb20cb | 2193 | if (CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER) { |
56be950a AJ |
2194 | ff_mpeg1_encode_slice_header(s); |
2195 | ff_mpeg1_clean_buffers(s); | |
a6bc5731 | 2196 | } |
3ada94ba BF |
2197 | break; |
2198 | case CODEC_ID_H263: | |
2199 | case CODEC_ID_H263P: | |
965424da | 2200 | if (CONFIG_H263_ENCODER) |
674eeb5f | 2201 | h263_encode_gob_header(s, mb_y); |
3ada94ba BF |
2202 | break; |
2203 | } | |
2204 | ||
2205 | if(s->flags&CODEC_FLAG_PASS1){ | |
2206 | int bits= put_bits_count(&s->pb); | |
2207 | s->misc_bits+= bits - s->last_bits; | |
2208 | s->last_bits= bits; | |
2209 | } | |
2210 | ||
2211 | s->ptr_lastgob += current_packet_size; | |
2212 | s->first_slice_line=1; | |
2213 | s->resync_mb_x=mb_x; | |
2214 | s->resync_mb_y=mb_y; | |
2215 | } | |
2216 | } | |
2217 | ||
2218 | if( (s->resync_mb_x == s->mb_x) | |
2219 | && s->resync_mb_y+1 == s->mb_y){ | |
2220 | s->first_slice_line=0; | |
2221 | } | |
2222 | ||
2223 | s->mb_skipped=0; | |
2224 | s->dquant=0; //only for QP_RD | |
2225 | ||
2226 | if(mb_type & (mb_type-1) || (s->flags & CODEC_FLAG_QP_RD)){ // more than 1 MB type possible or CODEC_FLAG_QP_RD | |
2227 | int next_block=0; | |
2228 | int pb_bits_count, pb2_bits_count, tex_pb_bits_count; | |
2229 | ||
2230 | copy_context_before_encode(&backup_s, s, -1); | |
2231 | backup_s.pb= s->pb; | |
2232 | best_s.data_partitioning= s->data_partitioning; | |
2233 | best_s.partitioned_frame= s->partitioned_frame; | |
2234 | if(s->data_partitioning){ | |
2235 | backup_s.pb2= s->pb2; | |
2236 | backup_s.tex_pb= s->tex_pb; | |
2237 | } | |
2238 | ||
2239 | if(mb_type&CANDIDATE_MB_TYPE_INTER){ | |
2240 | s->mv_dir = MV_DIR_FORWARD; | |
2241 | s->mv_type = MV_TYPE_16X16; | |
2242 | s->mb_intra= 0; | |
2243 | s->mv[0][0][0] = s->p_mv_table[xy][0]; | |
2244 | s->mv[0][0][1] = s->p_mv_table[xy][1]; | |
2245 | encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER, pb, pb2, tex_pb, | |
2246 | &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]); | |
2247 | } | |
2248 | if(mb_type&CANDIDATE_MB_TYPE_INTER_I){ | |
2249 | s->mv_dir = MV_DIR_FORWARD; | |
2250 | s->mv_type = MV_TYPE_FIELD; | |
2251 | s->mb_intra= 0; | |
2252 | for(i=0; i<2; i++){ | |
2253 | j= s->field_select[0][i] = s->p_field_select_table[i][xy]; | |
2254 | s->mv[0][i][0] = s->p_field_mv_table[i][j][xy][0]; | |
2255 | s->mv[0][i][1] = s->p_field_mv_table[i][j][xy][1]; | |
2256 | } | |
2257 | encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER_I, pb, pb2, tex_pb, | |
2258 | &dmin, &next_block, 0, 0); | |
2259 | } | |
2260 | if(mb_type&CANDIDATE_MB_TYPE_SKIPPED){ | |
2261 | s->mv_dir = MV_DIR_FORWARD; | |
2262 | s->mv_type = MV_TYPE_16X16; | |
2263 | s->mb_intra= 0; | |
2264 | s->mv[0][0][0] = 0; | |
2265 | s->mv[0][0][1] = 0; | |
2266 | encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_SKIPPED, pb, pb2, tex_pb, | |
2267 | &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]); | |
2268 | } | |
2269 | if(mb_type&CANDIDATE_MB_TYPE_INTER4V){ | |
2270 | s->mv_dir = MV_DIR_FORWARD; | |
2271 | s->mv_type = MV_TYPE_8X8; | |
2272 | s->mb_intra= 0; | |
2273 | for(i=0; i<4; i++){ | |
2274 | s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0]; | |
2275 | s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1]; | |
2276 | } | |
2277 | encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER4V, pb, pb2, tex_pb, | |
2278 | &dmin, &next_block, 0, 0); | |
2279 | } | |
2280 | if(mb_type&CANDIDATE_MB_TYPE_FORWARD){ | |
2281 | s->mv_dir = MV_DIR_FORWARD; | |
2282 | s->mv_type = MV_TYPE_16X16; | |
2283 | s->mb_intra= 0; | |
2284 | s->mv[0][0][0] = s->b_forw_mv_table[xy][0]; | |
2285 | s->mv[0][0][1] = s->b_forw_mv_table[xy][1]; | |
2286 | encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_FORWARD, pb, pb2, tex_pb, | |
2287 | &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]); | |
2288 | } | |
2289 | if(mb_type&CANDIDATE_MB_TYPE_BACKWARD){ | |
2290 | s->mv_dir = MV_DIR_BACKWARD; | |
2291 | s->mv_type = MV_TYPE_16X16; | |
2292 | s->mb_intra= 0; | |
2293 | s->mv[1][0][0] = s->b_back_mv_table[xy][0]; | |
2294 | s->mv[1][0][1] = s->b_back_mv_table[xy][1]; | |
2295 | encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BACKWARD, pb, pb2, tex_pb, | |
2296 | &dmin, &next_block, s->mv[1][0][0], s->mv[1][0][1]); | |
2297 | } | |
2298 | if(mb_type&CANDIDATE_MB_TYPE_BIDIR){ | |
2299 | s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD; | |
2300 | s->mv_type = MV_TYPE_16X16; | |
2301 | s->mb_intra= 0; | |
2302 | s->mv[0][0][0] = s->b_bidir_forw_mv_table[xy][0]; | |
2303 | s->mv[0][0][1] = s->b_bidir_forw_mv_table[xy][1]; | |
2304 | s->mv[1][0][0] = s->b_bidir_back_mv_table[xy][0]; | |
2305 | s->mv[1][0][1] = s->b_bidir_back_mv_table[xy][1]; | |
2306 | encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BIDIR, pb, pb2, tex_pb, | |
2307 | &dmin, &next_block, 0, 0); | |
2308 | } | |
2309 | if(mb_type&CANDIDATE_MB_TYPE_FORWARD_I){ | |
2310 | s->mv_dir = MV_DIR_FORWARD; | |
2311 | s->mv_type = MV_TYPE_FIELD; | |
2312 | s->mb_intra= 0; | |
2313 | for(i=0; i<2; i++){ | |
2314 | j= s->field_select[0][i] = s->b_field_select_table[0][i][xy]; | |
2315 | s->mv[0][i][0] = s->b_field_mv_table[0][i][j][xy][0]; | |
2316 | s->mv[0][i][1] = s->b_field_mv_table[0][i][j][xy][1]; | |
2317 | } | |
2318 | encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_FORWARD_I, pb, pb2, tex_pb, | |
2319 | &dmin, &next_block, 0, 0); | |
2320 | } | |
2321 | if(mb_type&CANDIDATE_MB_TYPE_BACKWARD_I){ | |
2322 | s->mv_dir = MV_DIR_BACKWARD; | |
2323 | s->mv_type = MV_TYPE_FIELD; | |
2324 | s->mb_intra= 0; | |
2325 | for(i=0; i<2; i++){ | |
2326 | j= s->field_select[1][i] = s->b_field_select_table[1][i][xy]; | |
2327 | s->mv[1][i][0] = s->b_field_mv_table[1][i][j][xy][0]; | |
2328 | s->mv[1][i][1] = s->b_field_mv_table[1][i][j][xy][1]; | |
2329 | } | |
2330 | encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BACKWARD_I, pb, pb2, tex_pb, | |
2331 | &dmin, &next_block, 0, 0); | |
2332 | } | |
2333 | if(mb_type&CANDIDATE_MB_TYPE_BIDIR_I){ | |
2334 | s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD; | |
2335 | s->mv_type = MV_TYPE_FIELD; | |
2336 | s->mb_intra= 0; | |
2337 | for(dir=0; dir<2; dir++){ | |
2338 | for(i=0; i<2; i++){ | |
2339 | j= s->field_select[dir][i] = s->b_field_select_table[dir][i][xy]; | |
2340 | s->mv[dir][i][0] = s->b_field_mv_table[dir][i][j][xy][0]; | |
2341 | s->mv[dir][i][1] = s->b_field_mv_table[dir][i][j][xy][1]; | |
2342 | } | |
2343 | } | |
2344 | encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BIDIR_I, pb, pb2, tex_pb, | |
2345 | &dmin, &next_block, 0, 0); | |
2346 | } | |
2347 | if(mb_type&CANDIDATE_MB_TYPE_INTRA){ | |
2348 | s->mv_dir = 0; | |
2349 | s->mv_type = MV_TYPE_16X16; | |
2350 | s->mb_intra= 1; | |
2351 | s->mv[0][0][0] = 0; | |
2352 | s->mv[0][0][1] = 0; | |
2353 | encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTRA, pb, pb2, tex_pb, | |
2354 | &dmin, &next_block, 0, 0); | |
2355 | if(s->h263_pred || s->h263_aic){ | |
2356 | if(best_s.mb_intra) | |
2357 | s->mbintra_table[mb_x + mb_y*s->mb_stride]=1; | |
2358 | else | |
2359 | ff_clean_intra_table_entries(s); //old mode? | |
2360 | } | |
2361 | } | |
2362 | ||
2363 | if((s->flags & CODEC_FLAG_QP_RD) && dmin < INT_MAX){ | |
2364 | if(best_s.mv_type==MV_TYPE_16X16){ //FIXME move 4mv after QPRD | |
2365 | const int last_qp= backup_s.qscale; | |
2366 | int qpi, qp, dc[6]; | |
2367 | DCTELEM ac[6][16]; | |
2368 | const int mvdir= (best_s.mv_dir&MV_DIR_BACKWARD) ? 1 : 0; | |
2369 | static const int dquant_tab[4]={-1,1,-2,2}; | |
2370 | ||
2371 | assert(backup_s.dquant == 0); | |
2372 | ||
2373 | //FIXME intra | |
2374 | s->mv_dir= best_s.mv_dir; | |
2375 | s->mv_type = MV_TYPE_16X16; | |
2376 | s->mb_intra= best_s.mb_intra; | |
2377 | s->mv[0][0][0] = best_s.mv[0][0][0]; | |
2378 | s->mv[0][0][1] = best_s.mv[0][0][1]; | |
2379 | s->mv[1][0][0] = best_s.mv[1][0][0]; | |
2380 | s->mv[1][0][1] = best_s.mv[1][0][1]; | |
2381 | ||
975a1447 | 2382 | qpi = s->pict_type == AV_PICTURE_TYPE_B ? 2 : 0; |
3ada94ba BF |
2383 | for(; qpi<4; qpi++){ |
2384 | int dquant= dquant_tab[qpi]; | |
2385 | qp= last_qp + dquant; | |
2386 | if(qp < s->avctx->qmin || qp > s->avctx->qmax) | |
2387 | continue; | |
2388 | backup_s.dquant= dquant; | |
2389 | if(s->mb_intra && s->dc_val[0]){ | |
2390 | for(i=0; i<6; i++){ | |
2391 | dc[i]= s->dc_val[0][ s->block_index[i] ]; | |
2392 | memcpy(ac[i], s->ac_val[0][s->block_index[i]], sizeof(DCTELEM)*16); | |
2393 | } | |
2394 | } | |
2395 | ||
2396 | encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER /* wrong but unused */, pb, pb2, tex_pb, | |
2397 | &dmin, &next_block, s->mv[mvdir][0][0], s->mv[mvdir][0][1]); | |
2398 | if(best_s.qscale != qp){ | |
2399 | if(s->mb_intra && s->dc_val[0]){ | |
2400 | for(i=0; i<6; i++){ | |
2401 | s->dc_val[0][ s->block_index[i] ]= dc[i]; | |
2402 | memcpy(s->ac_val[0][s->block_index[i]], ac[i], sizeof(DCTELEM)*16); | |
2403 | } | |
2404 | } | |
2405 | } | |
2406 | } | |
2407 | } | |
2408 | } | |
49fb20cb | 2409 | if(CONFIG_MPEG4_ENCODER && mb_type&CANDIDATE_MB_TYPE_DIRECT){ |
3ada94ba BF |
2410 | int mx= s->b_direct_mv_table[xy][0]; |
2411 | int my= s->b_direct_mv_table[xy][1]; | |
2412 | ||
2413 | backup_s.dquant = 0; | |
2414 | s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT; | |
2415 | s->mb_intra= 0; | |
2416 | ff_mpeg4_set_direct_mv(s, mx, my); | |
2417 | encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_DIRECT, pb, pb2, tex_pb, | |
2418 | &dmin, &next_block, mx, my); | |
2419 | } | |
49fb20cb | 2420 | if(CONFIG_MPEG4_ENCODER && mb_type&CANDIDATE_MB_TYPE_DIRECT0){ |
3ada94ba BF |
2421 | backup_s.dquant = 0; |
2422 | s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT; | |
2423 | s->mb_intra= 0; | |
2424 | ff_mpeg4_set_direct_mv(s, 0, 0); | |
2425 | encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_DIRECT, pb, pb2, tex_pb, | |
2426 | &dmin, &next_block, 0, 0); | |
2427 | } | |
2428 | if(!best_s.mb_intra && s->flags2&CODEC_FLAG2_SKIP_RD){ | |
2429 | int coded=0; | |
2430 | for(i=0; i<6; i++) | |
2431 | coded |= s->block_last_index[i]; | |
2432 | if(coded){ | |
2433 | int mx,my; | |
2434 | memcpy(s->mv, best_s.mv, sizeof(s->mv)); | |
49fb20cb | 2435 | if(CONFIG_MPEG4_ENCODER && best_s.mv_dir & MV_DIRECT){ |
3ada94ba BF |
2436 | mx=my=0; //FIXME find the one we actually used |
2437 | ff_mpeg4_set_direct_mv(s, mx, my); | |
2438 | }else if(best_s.mv_dir&MV_DIR_BACKWARD){ | |
2439 | mx= s->mv[1][0][0]; | |
2440 | my= s->mv[1][0][1]; | |
2441 | }else{ | |
2442 | mx= s->mv[0][0][0]; | |
2443 | my= s->mv[0][0][1]; | |
2444 | } | |
2445 | ||
2446 | s->mv_dir= best_s.mv_dir; | |
2447 | s->mv_type = best_s.mv_type; | |
2448 | s->mb_intra= 0; | |
2449 | /* s->mv[0][0][0] = best_s.mv[0][0][0]; | |
2450 | s->mv[0][0][1] = best_s.mv[0][0][1]; | |
2451 | s->mv[1][0][0] = best_s.mv[1][0][0]; | |
2452 | s->mv[1][0][1] = best_s.mv[1][0][1];*/ | |
2453 | backup_s.dquant= 0; | |
2454 | s->skipdct=1; | |
2455 | encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER /* wrong but unused */, pb, pb2, tex_pb, | |
2456 | &dmin, &next_block, mx, my); | |
2457 | s->skipdct=0; | |
2458 | } | |
2459 | } | |
2460 | ||
2461 | s->current_picture.qscale_table[xy]= best_s.qscale; | |
2462 | ||
2463 | copy_context_after_encode(s, &best_s, -1); | |
2464 | ||
2465 | pb_bits_count= put_bits_count(&s->pb); | |
2466 | flush_put_bits(&s->pb); | |
2467 | ff_copy_bits(&backup_s.pb, bit_buf[next_block^1], pb_bits_count); | |
2468 | s->pb= backup_s.pb; | |
2469 | ||
2470 | if(s->data_partitioning){ | |
2471 | pb2_bits_count= put_bits_count(&s->pb2); | |
2472 | flush_put_bits(&s->pb2); | |
2473 | ff_copy_bits(&backup_s.pb2, bit_buf2[next_block^1], pb2_bits_count); | |
2474 | s->pb2= backup_s.pb2; | |
2475 | ||
2476 | tex_pb_bits_count= put_bits_count(&s->tex_pb); | |
2477 | flush_put_bits(&s->tex_pb); | |
2478 | ff_copy_bits(&backup_s.tex_pb, bit_buf_tex[next_block^1], tex_pb_bits_count); | |
2479 | s->tex_pb= backup_s.tex_pb; | |
2480 | } | |
2481 | s->last_bits= put_bits_count(&s->pb); | |
2482 | ||
f34121f3 | 2483 | if (CONFIG_H263_ENCODER && |
975a1447 | 2484 | s->out_format == FMT_H263 && s->pict_type!=AV_PICTURE_TYPE_B) |
3ada94ba BF |
2485 | ff_h263_update_motion_val(s); |
2486 | ||
2487 | if(next_block==0){ //FIXME 16 vs linesize16 | |
2488 | s->dsp.put_pixels_tab[0][0](s->dest[0], s->rd_scratchpad , s->linesize ,16); | |
2489 | s->dsp.put_pixels_tab[1][0](s->dest[1], s->rd_scratchpad + 16*s->linesize , s->uvlinesize, 8); | |
2490 | s->dsp.put_pixels_tab[1][0](s->dest[2], s->rd_scratchpad + 16*s->linesize + 8, s->uvlinesize, 8); | |
2491 | } | |
2492 | ||
2493 | if(s->avctx->mb_decision == FF_MB_DECISION_BITS) | |
2494 | MPV_decode_mb(s, s->block); | |
2495 | } else { | |
2496 | int motion_x = 0, motion_y = 0; | |
2497 | s->mv_type=MV_TYPE_16X16; | |
2498 | // only one MB-Type possible | |
2499 | ||
2500 | switch(mb_type){ | |
2501 | case CANDIDATE_MB_TYPE_INTRA: | |
2502 | s->mv_dir = 0; | |
2503 | s->mb_intra= 1; | |
2504 | motion_x= s->mv[0][0][0] = 0; | |
2505 | motion_y= s->mv[0][0][1] = 0; | |
2506 | break; | |
2507 | case CANDIDATE_MB_TYPE_INTER: | |
2508 | s->mv_dir = MV_DIR_FORWARD; | |
2509 | s->mb_intra= 0; | |
2510 | motion_x= s->mv[0][0][0] = s->p_mv_table[xy][0]; | |
2511 | motion_y= s->mv[0][0][1] = s->p_mv_table[xy][1]; | |
2512 | break; | |
2513 | case CANDIDATE_MB_TYPE_INTER_I: | |
2514 | s->mv_dir = MV_DIR_FORWARD; | |
2515 | s->mv_type = MV_TYPE_FIELD; | |
2516 | s->mb_intra= 0; | |
2517 | for(i=0; i<2; i++){ | |
2518 | j= s->field_select[0][i] = s->p_field_select_table[i][xy]; | |
2519 | s->mv[0][i][0] = s->p_field_mv_table[i][j][xy][0]; | |
2520 | s->mv[0][i][1] = s->p_field_mv_table[i][j][xy][1]; | |
2521 | } | |
2522 | break; | |
2523 | case CANDIDATE_MB_TYPE_INTER4V: | |
2524 | s->mv_dir = MV_DIR_FORWARD; | |
2525 | s->mv_type = MV_TYPE_8X8; | |
2526 | s->mb_intra= 0; | |
2527 | for(i=0; i<4; i++){ | |
2528 | s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0]; | |
2529 | s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1]; | |
2530 | } | |
2531 | break; | |
2532 | case CANDIDATE_MB_TYPE_DIRECT: | |
49fb20cb | 2533 | if (CONFIG_MPEG4_ENCODER) { |
674eeb5f AJ |
2534 | s->mv_dir = MV_DIR_FORWARD|MV_DIR_BACKWARD|MV_DIRECT; |
2535 | s->mb_intra= 0; | |
2536 | motion_x=s->b_direct_mv_table[xy][0]; | |
2537 | motion_y=s->b_direct_mv_table[xy][1]; | |
2538 | ff_mpeg4_set_direct_mv(s, motion_x, motion_y); | |
eb75a698 | 2539 | } |
3ada94ba BF |
2540 | break; |
2541 | case CANDIDATE_MB_TYPE_DIRECT0: | |
49fb20cb | 2542 | if (CONFIG_MPEG4_ENCODER) { |
674eeb5f AJ |
2543 | s->mv_dir = MV_DIR_FORWARD|MV_DIR_BACKWARD|MV_DIRECT; |
2544 | s->mb_intra= 0; | |
2545 | ff_mpeg4_set_direct_mv(s, 0, 0); | |
eb75a698 | 2546 | } |
3ada94ba BF |
2547 | break; |
2548 | case CANDIDATE_MB_TYPE_BIDIR: | |
2549 | s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD; | |
2550 | s->mb_intra= 0; | |
2551 | s->mv[0][0][0] = s->b_bidir_forw_mv_table[xy][0]; | |
2552 | s->mv[0][0][1] = s->b_bidir_forw_mv_table[xy][1]; | |
2553 | s->mv[1][0][0] = s->b_bidir_back_mv_table[xy][0]; | |
2554 | s->mv[1][0][1] = s->b_bidir_back_mv_table[xy][1]; | |
2555 | break; | |
2556 | case CANDIDATE_MB_TYPE_BACKWARD: | |
2557 | s->mv_dir = MV_DIR_BACKWARD; | |
2558 | s->mb_intra= 0; | |
2559 | motion_x= s->mv[1][0][0] = s->b_back_mv_table[xy][0]; | |
2560 | motion_y= s->mv[1][0][1] = s->b_back_mv_table[xy][1]; | |
2561 | break; | |
2562 | case CANDIDATE_MB_TYPE_FORWARD: | |
2563 | s->mv_dir = MV_DIR_FORWARD; | |
2564 | s->mb_intra= 0; | |
2565 | motion_x= s->mv[0][0][0] = s->b_forw_mv_table[xy][0]; | |
2566 | motion_y= s->mv[0][0][1] = s->b_forw_mv_table[xy][1]; | |
2567 | // printf(" %d %d ", motion_x, motion_y); | |
2568 | break; | |
2569 | case CANDIDATE_MB_TYPE_FORWARD_I: | |
2570 | s->mv_dir = MV_DIR_FORWARD; | |
2571 | s->mv_type = MV_TYPE_FIELD; | |
2572 | s->mb_intra= 0; | |
2573 | for(i=0; i<2; i++){ | |
2574 | j= s->field_select[0][i] = s->b_field_select_table[0][i][xy]; | |
2575 | s->mv[0][i][0] = s->b_field_mv_table[0][i][j][xy][0]; | |
2576 | s->mv[0][i][1] = s->b_field_mv_table[0][i][j][xy][1]; | |
2577 | } | |
2578 | break; | |
2579 | case CANDIDATE_MB_TYPE_BACKWARD_I: | |
2580 | s->mv_dir = MV_DIR_BACKWARD; | |
2581 | s->mv_type = MV_TYPE_FIELD; | |
2582 | s->mb_intra= 0; | |
2583 | for(i=0; i<2; i++){ | |
2584 | j= s->field_select[1][i] = s->b_field_select_table[1][i][xy]; | |
2585 | s->mv[1][i][0] = s->b_field_mv_table[1][i][j][xy][0]; | |
2586 | s->mv[1][i][1] = s->b_field_mv_table[1][i][j][xy][1]; | |
2587 | } | |
2588 | break; | |
2589 | case CANDIDATE_MB_TYPE_BIDIR_I: | |
2590 | s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD; | |
2591 | s->mv_type = MV_TYPE_FIELD; | |
2592 | s->mb_intra= 0; | |
2593 | for(dir=0; dir<2; dir++){ | |
2594 | for(i=0; i<2; i++){ | |
2595 | j= s->field_select[dir][i] = s->b_field_select_table[dir][i][xy]; | |
2596 | s->mv[dir][i][0] = s->b_field_mv_table[dir][i][j][xy][0]; | |
2597 | s->mv[dir][i][1] = s->b_field_mv_table[dir][i][j][xy][1]; | |
2598 | } | |
2599 | } | |
2600 | break; | |
2601 | default: | |
2602 | av_log(s->avctx, AV_LOG_ERROR, "illegal MB type\n"); | |
2603 | } | |
2604 | ||
2605 | encode_mb(s, motion_x, motion_y); | |
2606 | ||
2607 | // RAL: Update last macroblock type | |
2608 | s->last_mv_dir = s->mv_dir; | |
2609 | ||
f34121f3 | 2610 | if (CONFIG_H263_ENCODER && |
975a1447 | 2611 | s->out_format == FMT_H263 && s->pict_type!=AV_PICTURE_TYPE_B) |
3ada94ba BF |
2612 | ff_h263_update_motion_val(s); |
2613 | ||
2614 | MPV_decode_mb(s, s->block); | |
2615 | } | |
2616 | ||
2617 | /* clean the MV table in IPS frames for direct mode in B frames */ | |
2618 | if(s->mb_intra /* && I,P,S_TYPE */){ | |
2619 | s->p_mv_table[xy][0]=0; | |
2620 | s->p_mv_table[xy][1]=0; | |
2621 | } | |
2622 | ||
2623 | if(s->flags&CODEC_FLAG_PSNR){ | |
2624 | int w= 16; | |
2625 | int h= 16; | |
2626 | ||
2627 | if(s->mb_x*16 + 16 > s->width ) w= s->width - s->mb_x*16; | |
2628 | if(s->mb_y*16 + 16 > s->height) h= s->height- s->mb_y*16; | |
2629 | ||
2630 | s->current_picture.error[0] += sse( | |
2631 | s, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*s->linesize*16, | |
2632 | s->dest[0], w, h, s->linesize); | |
2633 | s->current_picture.error[1] += sse( | |
ec7e2582 BC |
2634 | s, s->new_picture.data[1] + s->mb_x*8 + s->mb_y*s->uvlinesize*chr_h, |
2635 | s->dest[1], w>>1, h>>s->chroma_y_shift, s->uvlinesize); | |
3ada94ba | 2636 | s->current_picture.error[2] += sse( |
ec7e2582 BC |
2637 | s, s->new_picture.data[2] + s->mb_x*8 + s->mb_y*s->uvlinesize*chr_h, |
2638 | s->dest[2], w>>1, h>>s->chroma_y_shift, s->uvlinesize); | |
3ada94ba BF |
2639 | } |
2640 | if(s->loop_filter){ | |
f34121f3 | 2641 | if(CONFIG_H263_ENCODER && s->out_format == FMT_H263) |
3ada94ba BF |
2642 | ff_h263_loop_filter(s); |
2643 | } | |
2644 | //printf("MB %d %d bits\n", s->mb_x+s->mb_y*s->mb_stride, put_bits_count(&s->pb)); | |
2645 | } | |
2646 | } | |
2647 | ||
2648 | //not beautiful here but we must write it before flushing so it has to be here | |
975a1447 | 2649 | if (CONFIG_MSMPEG4_ENCODER && s->msmpeg4_version && s->msmpeg4_version<4 && s->pict_type == AV_PICTURE_TYPE_I) |
3ada94ba BF |
2650 | msmpeg4_encode_ext_header(s); |
2651 | ||
2652 | write_slice_end(s); | |
2653 | ||
2654 | /* Send the last GOB if RTP */ | |
2655 | if (s->avctx->rtp_callback) { | |
2656 | int number_mb = (mb_y - s->resync_mb_y)*s->mb_width - s->resync_mb_x; | |
fb53b4a0 | 2657 | pdif = put_bits_ptr(&s->pb) - s->ptr_lastgob; |
3ada94ba BF |
2658 | /* Call the RTP callback to send the last GOB */ |
2659 | emms_c(); | |
2660 | s->avctx->rtp_callback(s->avctx, s->ptr_lastgob, pdif, number_mb); | |
2661 | } | |
2662 | ||
2663 | return 0; | |
2664 | } | |
2665 | ||
2666 | #define MERGE(field) dst->field += src->field; src->field=0 | |
2667 | static void merge_context_after_me(MpegEncContext *dst, MpegEncContext *src){ | |
2668 | MERGE(me.scene_change_score); | |
2669 | MERGE(me.mc_mb_var_sum_temp); | |
2670 | MERGE(me.mb_var_sum_temp); | |
2671 | } | |
2672 | ||
2673 | static void merge_context_after_encode(MpegEncContext *dst, MpegEncContext *src){ | |
2674 | int i; | |
2675 | ||
2676 | MERGE(dct_count[0]); //note, the other dct vars are not part of the context | |
2677 | MERGE(dct_count[1]); | |
2678 | MERGE(mv_bits); | |
2679 | MERGE(i_tex_bits); | |
2680 | MERGE(p_tex_bits); | |
2681 | MERGE(i_count); | |
2682 | MERGE(f_count); | |
2683 | MERGE(b_count); | |
2684 | MERGE(skip_count); | |
2685 | MERGE(misc_bits); | |
2686 | MERGE(error_count); | |
2687 | MERGE(padding_bug_score); | |
2688 | MERGE(current_picture.error[0]); | |
2689 | MERGE(current_picture.error[1]); | |
2690 | MERGE(current_picture.error[2]); | |
2691 | ||
2692 | if(dst->avctx->noise_reduction){ | |
2693 | for(i=0; i<64; i++){ | |
2694 | MERGE(dct_error_sum[0][i]); | |
2695 | MERGE(dct_error_sum[1][i]); | |
2696 | } | |
2697 | } | |
2698 | ||
2699 | assert(put_bits_count(&src->pb) % 8 ==0); | |
2700 | assert(put_bits_count(&dst->pb) % 8 ==0); | |
2701 | ff_copy_bits(&dst->pb, src->pb.buf, put_bits_count(&src->pb)); | |
2702 | flush_put_bits(&dst->pb); | |
2703 | } | |
2704 | ||
2705 | static int estimate_qp(MpegEncContext *s, int dry_run){ | |
2706 | if (s->next_lambda){ | |
2707 | s->current_picture_ptr->quality= | |
2708 | s->current_picture.quality = s->next_lambda; | |
2709 | if(!dry_run) s->next_lambda= 0; | |
2710 | } else if (!s->fixed_qscale) { | |
2711 | s->current_picture_ptr->quality= | |
2712 | s->current_picture.quality = ff_rate_estimate_qscale(s, dry_run); | |
2713 | if (s->current_picture.quality < 0) | |
2714 | return -1; | |
2715 | } | |
2716 | ||
2717 | if(s->adaptive_quant){ | |
2718 | switch(s->codec_id){ | |
2719 | case CODEC_ID_MPEG4: | |
49fb20cb | 2720 | if (CONFIG_MPEG4_ENCODER) |
674eeb5f | 2721 | ff_clean_mpeg4_qscales(s); |
3ada94ba BF |
2722 | break; |
2723 | case CODEC_ID_H263: | |
2724 | case CODEC_ID_H263P: | |
2725 | case CODEC_ID_FLV1: | |
0bd48530 | 2726 | if (CONFIG_H263_ENCODER) |
674eeb5f | 2727 | ff_clean_h263_qscales(s); |
3ada94ba | 2728 | break; |
ccc4b918 MN |
2729 | default: |
2730 | ff_init_qscale_tab(s); | |
3ada94ba BF |
2731 | } |
2732 | ||
2733 | s->lambda= s->lambda_table[0]; | |
2734 | //FIXME broken | |
2735 | }else | |
2736 | s->lambda= s->current_picture.quality; | |
2737 | //printf("%d %d\n", s->avctx->global_quality, s->current_picture.quality); | |
2738 | update_qscale(s); | |
2739 | return 0; | |
2740 | } | |
2741 | ||
7da31a80 AJ |
2742 | /* must be called before writing the header */ |
2743 | static void set_frame_distances(MpegEncContext * s){ | |
2744 | assert(s->current_picture_ptr->pts != AV_NOPTS_VALUE); | |
2745 | s->time= s->current_picture_ptr->pts*s->avctx->time_base.num; | |
2746 | ||
975a1447 | 2747 | if(s->pict_type==AV_PICTURE_TYPE_B){ |
7da31a80 AJ |
2748 | s->pb_time= s->pp_time - (s->last_non_b_time - s->time); |
2749 | assert(s->pb_time > 0 && s->pb_time < s->pp_time); | |
2750 | }else{ | |
2751 | s->pp_time= s->time - s->last_non_b_time; | |
2752 | s->last_non_b_time= s->time; | |
2753 | assert(s->picture_number==0 || s->pp_time > 0); | |
2754 | } | |
2755 | } | |
2756 | ||
3ada94ba BF |
2757 | static int encode_picture(MpegEncContext *s, int picture_number) |
2758 | { | |
2759 | int i; | |
2760 | int bits; | |
2761 | ||
2762 | s->picture_number = picture_number; | |
2763 | ||
2764 | /* Reset the average MB variance */ | |
2765 | s->me.mb_var_sum_temp = | |
2766 | s->me.mc_mb_var_sum_temp = 0; | |
2767 | ||
2768 | /* we need to initialize some time vars before we can encode b-frames */ | |
2769 | // RAL: Condition added for MPEG1VIDEO | |
8c51620f | 2770 | if (s->codec_id == CODEC_ID_MPEG1VIDEO || s->codec_id == CODEC_ID_MPEG2VIDEO || (s->h263_pred && !s->msmpeg4_version)) |
7da31a80 | 2771 | set_frame_distances(s); |
49fb20cb | 2772 | if(CONFIG_MPEG4_ENCODER && s->codec_id == CODEC_ID_MPEG4) |
7da31a80 | 2773 | ff_set_mpeg4_time(s); |
3ada94ba BF |
2774 | |
2775 | s->me.scene_change_score=0; | |
2776 | ||
e6dba5df | 2777 | // s->lambda= s->current_picture_ptr->quality; //FIXME qscale / ... stuff for ME rate distortion |
3ada94ba | 2778 | |
975a1447 | 2779 | if(s->pict_type==AV_PICTURE_TYPE_I){ |
3ada94ba BF |
2780 | if(s->msmpeg4_version >= 3) s->no_rounding=1; |
2781 | else s->no_rounding=0; | |
975a1447 | 2782 | }else if(s->pict_type!=AV_PICTURE_TYPE_B){ |
3ada94ba BF |
2783 | if(s->flipflop_rounding || s->codec_id == CODEC_ID_H263P || s->codec_id == CODEC_ID_MPEG4) |
2784 | s->no_rounding ^= 1; | |
2785 | } | |
2786 | ||
2787 | if(s->flags & CODEC_FLAG_PASS2){ | |
2788 | if (estimate_qp(s,1) < 0) | |
2789 | return -1; | |
2790 | ff_get_2pass_fcode(s); | |
2791 | }else if(!(s->flags & CODEC_FLAG_QSCALE)){ | |
975a1447 | 2792 | if(s->pict_type==AV_PICTURE_TYPE_B) |
3ada94ba BF |
2793 | s->lambda= s->last_lambda_for[s->pict_type]; |
2794 | else | |
2795 | s->lambda= s->last_lambda_for[s->last_non_b_pict_type]; | |
2796 | update_qscale(s); | |
2797 | } | |
2798 | ||
2799 | s->mb_intra=0; //for the rate distortion & bit compare functions | |
2800 | for(i=1; i<s->avctx->thread_count; i++){ | |
2801 | ff_update_duplicate_context(s->thread_context[i], s); | |
2802 | } | |
2803 | ||
719f3702 MN |
2804 | if(ff_init_me(s)<0) |
2805 | return -1; | |
3ada94ba BF |
2806 | |
2807 | /* Estimate motion for every MB */ | |
975a1447 | 2808 | if(s->pict_type != AV_PICTURE_TYPE_I){ |
3ada94ba BF |
2809 | s->lambda = (s->lambda * s->avctx->me_penalty_compensation + 128)>>8; |
2810 | s->lambda2= (s->lambda2* (int64_t)s->avctx->me_penalty_compensation + 128)>>8; | |
975a1447 SS |
2811 | if(s->pict_type != AV_PICTURE_TYPE_B && s->avctx->me_threshold==0){ |
2812 | if((s->avctx->pre_me && s->last_non_b_pict_type==AV_PICTURE_TYPE_I) || s->avctx->pre_me==2){ | |
01418506 | 2813 | s->avctx->execute(s->avctx, pre_estimate_motion_thread, &s->thread_context[0], NULL, s->avctx->thread_count, sizeof(void*)); |
3ada94ba BF |
2814 | } |
2815 | } | |
2816 | ||
01418506 | 2817 | s->avctx->execute(s->avctx, estimate_motion_thread, &s->thread_context[0], NULL, s->avctx->thread_count, sizeof(void*)); |
975a1447 | 2818 | }else /* if(s->pict_type == AV_PICTURE_TYPE_I) */{ |
3ada94ba BF |
2819 | /* I-Frame */ |
2820 | for(i=0; i<s->mb_stride*s->mb_height; i++) | |
2821 | s->mb_type[i]= CANDIDATE_MB_TYPE_INTRA; | |
2822 | ||
2823 | if(!s->fixed_qscale){ | |
2824 | /* finding spatial complexity for I-frame rate control */ | |
01418506 | 2825 | s->avctx->execute(s->avctx, mb_var_thread, &s->thread_context[0], NULL, s->avctx->thread_count, sizeof(void*)); |
3ada94ba BF |
2826 | } |
2827 | } | |
2828 | for(i=1; i<s->avctx->thread_count; i++){ | |
2829 | merge_context_after_me(s, s->thread_context[i]); | |
2830 | } | |
2831 | s->current_picture.mc_mb_var_sum= s->current_picture_ptr->mc_mb_var_sum= s->me.mc_mb_var_sum_temp; | |
2832 | s->current_picture. mb_var_sum= s->current_picture_ptr-> mb_var_sum= s->me. mb_var_sum_temp; | |
2833 | emms_c(); | |
2834 | ||
975a1447 SS |
2835 | if(s->me.scene_change_score > s->avctx->scenechange_threshold && s->pict_type == AV_PICTURE_TYPE_P){ |
2836 | s->pict_type= AV_PICTURE_TYPE_I; | |
3ada94ba BF |
2837 | for(i=0; i<s->mb_stride*s->mb_height; i++) |
2838 | s->mb_type[i]= CANDIDATE_MB_TYPE_INTRA; | |
2839 | //printf("Scene change detected, encoding as I Frame %d %d\n", s->current_picture.mb_var_sum, s->current_picture.mc_mb_var_sum); | |
2840 | } | |
2841 | ||
2842 | if(!s->umvplus){ | |
975a1447 | 2843 | if(s->pict_type==AV_PICTURE_TYPE_P || s->pict_type==AV_PICTURE_TYPE_S) { |
3ada94ba BF |
2844 | s->f_code= ff_get_best_fcode(s, s->p_mv_table, CANDIDATE_MB_TYPE_INTER); |
2845 | ||
2846 | if(s->flags & CODEC_FLAG_INTERLACED_ME){ | |
2847 | int a,b; | |
2848 | a= ff_get_best_fcode(s, s->p_field_mv_table[0][0], CANDIDATE_MB_TYPE_INTER_I); //FIXME field_select | |
2849 | b= ff_get_best_fcode(s, s->p_field_mv_table[1][1], CANDIDATE_MB_TYPE_INTER_I); | |
159ef4b0 | 2850 | s->f_code= FFMAX3(s->f_code, a, b); |
3ada94ba BF |
2851 | } |
2852 | ||
2853 | ff_fix_long_p_mvs(s); | |
2854 | ff_fix_long_mvs(s, NULL, 0, s->p_mv_table, s->f_code, CANDIDATE_MB_TYPE_INTER, 0); | |
2855 | if(s->flags & CODEC_FLAG_INTERLACED_ME){ | |
2856 | int j; | |
2857 | for(i=0; i<2; i++){ | |
2858 | for(j=0; j<2; j++) | |
2859 | ff_fix_long_mvs(s, s->p_field_select_table[i], j, | |
2860 | s->p_field_mv_table[i][j], s->f_code, CANDIDATE_MB_TYPE_INTER_I, 0); | |
2861 | } | |
2862 | } | |
2863 | } | |
2864 | ||
975a1447 | 2865 | if(s->pict_type==AV_PICTURE_TYPE_B){ |
3ada94ba BF |
2866 | int a, b; |
2867 | ||
2868 | a = ff_get_best_fcode(s, s->b_forw_mv_table, CANDIDATE_MB_TYPE_FORWARD); | |
2869 | b = ff_get_best_fcode(s, s->b_bidir_forw_mv_table, CANDIDATE_MB_TYPE_BIDIR); | |
2870 | s->f_code = FFMAX(a, b); | |
2871 | ||
2872 | a = ff_get_best_fcode(s, s->b_back_mv_table, CANDIDATE_MB_TYPE_BACKWARD); | |
2873 | b = ff_get_best_fcode(s, s->b_bidir_back_mv_table, CANDIDATE_MB_TYPE_BIDIR); | |
2874 | s->b_code = FFMAX(a, b); | |
2875 | ||
2876 | ff_fix_long_mvs(s, NULL, 0, s->b_forw_mv_table, s->f_code, CANDIDATE_MB_TYPE_FORWARD, 1); | |
2877 | ff_fix_long_mvs(s, NULL, 0, s->b_back_mv_table, s->b_code, CANDIDATE_MB_TYPE_BACKWARD, 1); | |
2878 | ff_fix_long_mvs(s, NULL, 0, s->b_bidir_forw_mv_table, s->f_code, CANDIDATE_MB_TYPE_BIDIR, 1); | |
2879 | ff_fix_long_mvs(s, NULL, 0, s->b_bidir_back_mv_table, s->b_code, CANDIDATE_MB_TYPE_BIDIR, 1); | |
2880 | if(s->flags & CODEC_FLAG_INTERLACED_ME){ | |
2881 | int dir, j; | |
2882 | for(dir=0; dir<2; dir++){ | |
2883 | for(i=0; i<2; i++){ | |
2884 | for(j=0; j<2; j++){ | |
2885 | int type= dir ? (CANDIDATE_MB_TYPE_BACKWARD_I|CANDIDATE_MB_TYPE_BIDIR_I) | |
2886 | : (CANDIDATE_MB_TYPE_FORWARD_I |CANDIDATE_MB_TYPE_BIDIR_I); | |
2887 | ff_fix_long_mvs(s, s->b_field_select_table[dir][i], j, | |
2888 | s->b_field_mv_table[dir][i][j], dir ? s->b_code : s->f_code, type, 1); | |
2889 | } | |
2890 | } | |
2891 | } | |
2892 | } | |
2893 | } | |
2894 | } | |
2895 | ||
2896 | if (estimate_qp(s, 0) < 0) | |
2897 | return -1; | |
2898 | ||
975a1447 | 2899 | if(s->qscale < 3 && s->max_qcoeff<=128 && s->pict_type==AV_PICTURE_TYPE_I && !(s->flags & CODEC_FLAG_QSCALE)) |
3ada94ba BF |
2900 | s->qscale= 3; //reduce clipping problems |
2901 | ||
2902 | if (s->out_format == FMT_MJPEG) { | |
2903 | /* for mjpeg, we do include qscale in the matrix */ | |
3ada94ba BF |
2904 | for(i=1;i<64;i++){ |
2905 | int j= s->dsp.idct_permutation[i]; | |
2906 | ||
2907 | s->intra_matrix[j] = av_clip_uint8((ff_mpeg1_default_intra_matrix[i] * s->qscale) >> 3); | |
2908 | } | |
6506c3d2 | 2909 | s->y_dc_scale_table= |
53f66cee MN |
2910 | s->c_dc_scale_table= ff_mpeg2_dc_scale_table[s->intra_dc_precision]; |
2911 | s->intra_matrix[0] = ff_mpeg2_dc_scale_table[s->intra_dc_precision][8]; | |
69cea75f | 2912 | ff_convert_matrix(&s->dsp, s->q_intra_matrix, s->q_intra_matrix16, |
3ada94ba BF |
2913 | s->intra_matrix, s->intra_quant_bias, 8, 8, 1); |
2914 | s->qscale= 8; | |
2915 | } | |
2916 | ||
2917 | //FIXME var duplication | |
2918 | s->current_picture_ptr->key_frame= | |
975a1447 | 2919 | s->current_picture.key_frame= s->pict_type == AV_PICTURE_TYPE_I; //FIXME pic_ptr |
3ada94ba BF |
2920 | s->current_picture_ptr->pict_type= |
2921 | s->current_picture.pict_type= s->pict_type; | |
2922 | ||
2923 | if(s->current_picture.key_frame) | |
2924 | s->picture_in_gop_number=0; | |
2925 | ||
2926 | s->last_bits= put_bits_count(&s->pb); | |
2927 | switch(s->out_format) { | |
2928 | case FMT_MJPEG: | |
49fb20cb | 2929 | if (CONFIG_MJPEG_ENCODER) |
3ada94ba BF |
2930 | ff_mjpeg_encode_picture_header(s); |
2931 | break; | |
2932 | case FMT_H261: | |
49fb20cb | 2933 | if (CONFIG_H261_ENCODER) |
3ada94ba BF |
2934 | ff_h261_encode_picture_header(s, picture_number); |
2935 | break; | |
2936 | case FMT_H263: | |
49fb20cb | 2937 | if (CONFIG_WMV2_ENCODER && s->codec_id == CODEC_ID_WMV2) |
3ada94ba | 2938 | ff_wmv2_encode_picture_header(s, picture_number); |
8c51620f | 2939 | else if (CONFIG_MSMPEG4_ENCODER && s->msmpeg4_version) |
3ada94ba | 2940 | msmpeg4_encode_picture_header(s, picture_number); |
49fb20cb | 2941 | else if (CONFIG_MPEG4_ENCODER && s->h263_pred) |
3ada94ba | 2942 | mpeg4_encode_picture_header(s, picture_number); |
49fb20cb | 2943 | else if (CONFIG_RV10_ENCODER && s->codec_id == CODEC_ID_RV10) |
3ada94ba | 2944 | rv10_encode_picture_header(s, picture_number); |
49fb20cb | 2945 | else if (CONFIG_RV20_ENCODER && s->codec_id == CODEC_ID_RV20) |
3ada94ba | 2946 | rv20_encode_picture_header(s, picture_number); |
49fb20cb | 2947 | else if (CONFIG_FLV_ENCODER && s->codec_id == CODEC_ID_FLV1) |
3ada94ba | 2948 | ff_flv_encode_picture_header(s, picture_number); |
f34121f3 | 2949 | else if (CONFIG_H263_ENCODER) |
3ada94ba BF |
2950 | h263_encode_picture_header(s, picture_number); |
2951 | break; | |
2952 | case FMT_MPEG1: | |
49fb20cb | 2953 | if (CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER) |
56be950a | 2954 | mpeg1_encode_picture_header(s, picture_number); |
3ada94ba BF |
2955 | break; |
2956 | case FMT_H264: | |
2957 | break; | |
2958 | default: | |
2959 | assert(0); | |
2960 | } | |
2961 | bits= put_bits_count(&s->pb); | |
2962 | s->header_bits= bits - s->last_bits; | |
2963 | ||
2964 | for(i=1; i<s->avctx->thread_count; i++){ | |
2965 | update_duplicate_context_after_me(s->thread_context[i], s); | |
2966 | } | |
01418506 | 2967 | s->avctx->execute(s->avctx, encode_thread, &s->thread_context[0], NULL, s->avctx->thread_count, sizeof(void*)); |
3ada94ba BF |
2968 | for(i=1; i<s->avctx->thread_count; i++){ |
2969 | merge_context_after_encode(s, s->thread_context[i]); | |
2970 | } | |
2971 | emms_c(); | |
2972 | return 0; | |
2973 | } | |
2974 | ||
aa61e39e | 2975 | static void denoise_dct_c(MpegEncContext *s, DCTELEM *block){ |
3ada94ba BF |
2976 | const int intra= s->mb_intra; |
2977 | int i; | |
2978 | ||
2979 | s->dct_count[intra]++; | |
2980 | ||
2981 | for(i=0; i<64; i++){ | |
2982 | int level= block[i]; | |
2983 | ||
2984 | if(level){ | |
2985 | if(level>0){ | |
2986 | s->dct_error_sum[intra][i] += level; | |
2987 | level -= s->dct_offset[intra][i]; | |
2988 | if(level<0) level=0; | |
2989 | }else{ | |
2990 | s->dct_error_sum[intra][i] -= level; | |
2991 | level += s->dct_offset[intra][i]; | |
2992 | if(level>0) level=0; | |
2993 | } | |
2994 | block[i]= level; | |
2995 | } | |
2996 | } | |
2997 | } | |
2998 | ||
aa61e39e MR |
2999 | static int dct_quantize_trellis_c(MpegEncContext *s, |
3000 | DCTELEM *block, int n, | |
3001 | int qscale, int *overflow){ | |
3ada94ba BF |
3002 | const int *qmat; |
3003 | const uint8_t *scantable= s->intra_scantable.scantable; | |
3004 | const uint8_t *perm_scantable= s->intra_scantable.permutated; | |
3005 | int max=0; | |
3006 | unsigned int threshold1, threshold2; | |
3007 | int bias=0; | |
3008 | int run_tab[65]; | |
3009 | int level_tab[65]; | |
3010 | int score_tab[65]; | |
3011 | int survivor[65]; | |
3012 | int survivor_count; | |
3013 | int last_run=0; | |
3014 | int last_level=0; | |
3015 | int last_score= 0; | |
3016 | int last_i; | |
3017 | int coeff[2][64]; | |
3018 | int coeff_count[64]; | |
3019 | int qmul, qadd, start_i, last_non_zero, i, dc; | |
3020 | const int esc_length= s->ac_esc_length; | |
3021 | uint8_t * length; | |
3022 | uint8_t * last_length; | |
3023 | const int lambda= s->lambda2 >> (FF_LAMBDA_SHIFT - 6); | |
3024 | ||
3025 | s->dsp.fdct (block); | |
3026 | ||
3027 | if(s->dct_error_sum) | |
3028 | s->denoise_dct(s, block); | |
3029 | qmul= qscale*16; | |
3030 | qadd= ((qscale-1)|1)*8; | |
3031 | ||
3032 | if (s->mb_intra) { | |
3033 | int q; | |
3034 | if (!s->h263_aic) { | |
3035 | if (n < 4) | |
3036 | q = s->y_dc_scale; | |
3037 | else | |
3038 | q = s->c_dc_scale; | |
3039 | q = q << 3; | |
3040 | } else{ | |
3041 | /* For AIC we skip quant/dequant of INTRADC */ | |
3042 | q = 1 << 3; | |
3043 | qadd=0; | |
3044 | } | |
3045 | ||
3046 | /* note: block[0] is assumed to be positive */ | |
3047 | block[0] = (block[0] + (q >> 1)) / q; | |
3048 | start_i = 1; | |
3049 | last_non_zero = 0; | |
3050 | qmat = s->q_intra_matrix[qscale]; | |
3051 | if(s->mpeg_quant || s->out_format == FMT_MPEG1) | |
3052 | bias= 1<<(QMAT_SHIFT-1); | |
3053 | length = s->intra_ac_vlc_length; | |
3054 | last_length= s->intra_ac_vlc_last_length; | |
3055 | } else { | |
3056 | start_i = 0; | |
3057 | last_non_zero = -1; | |
3058 | qmat = s->q_inter_matrix[qscale]; | |
3059 | length = s->inter_ac_vlc_length; | |
3060 | last_length= s->inter_ac_vlc_last_length; | |
3061 | } | |
3062 | last_i= start_i; | |
3063 | ||
3064 | threshold1= (1<<QMAT_SHIFT) - bias - 1; | |
3065 | threshold2= (threshold1<<1); | |
3066 | ||
3067 | for(i=63; i>=start_i; i--) { | |
3068 | const int j = scantable[i]; | |
3069 | int level = block[j] * qmat[j]; | |
3070 | ||
3071 | if(((unsigned)(level+threshold1))>threshold2){ | |
3072 | last_non_zero = i; | |
3073 | break; | |
3074 | } | |
3075 | } | |
3076 | ||
3077 | for(i=start_i; i<=last_non_zero; i++) { | |
3078 | const int j = scantable[i]; | |
3079 | int level = block[j] * qmat[j]; | |
3080 | ||
3081 | // if( bias+level >= (1<<(QMAT_SHIFT - 3)) | |
3082 | // || bias-level >= (1<<(QMAT_SHIFT - 3))){ | |
3083 | if(((unsigned)(level+threshold1))>threshold2){ | |
3084 | if(level>0){ | |
3085 | level= (bias + level)>>QMAT_SHIFT; | |
3086 | coeff[0][i]= level; | |
3087 | coeff[1][i]= level-1; | |
3088 | // coeff[2][k]= level-2; | |
3089 | }else{ | |
3090 | level= (bias - level)>>QMAT_SHIFT; | |
3091 | coeff[0][i]= -level; | |
3092 | coeff[1][i]= -level+1; | |
3093 | // coeff[2][k]= -level+2; | |
3094 | } | |
3095 | coeff_count[i]= FFMIN(level, 2); | |
3096 | assert(coeff_count[i]); | |
3097 | max |=level; | |
3098 | }else{ | |
3099 | coeff[0][i]= (level>>31)|1; | |
3100 | coeff_count[i]= 1; | |
3101 | } | |
3102 | } | |
3103 | ||
3104 | *overflow= s->max_qcoeff < max; //overflow might have happened | |
3105 | ||
3106 | if(last_non_zero < start_i){ | |
3107 | memset(block + start_i, 0, (64-start_i)*sizeof(DCTELEM)); | |
3108 | return last_non_zero; | |
3109 | } | |
3110 | ||
3111 | score_tab[start_i]= 0; | |
3112 | survivor[0]= start_i; | |
3113 | survivor_count= 1; | |
3114 | ||
3115 | for(i=start_i; i<=last_non_zero; i++){ | |
e6dba5df | 3116 | int level_index, j, zero_distortion; |
b6bffc46 | 3117 | int dct_coeff= FFABS(block[ scantable[i] ]); |
3ada94ba | 3118 | int best_score=256*256*256*120; |
b6bffc46 MN |
3119 | |
3120 | if ( s->dsp.fdct == fdct_ifast | |
3121 | #ifndef FAAN_POSTSCALE | |
3122 | || s->dsp.fdct == ff_faandct | |
3123 | #endif | |
3124 | ) | |
939e4e3a | 3125 | dct_coeff= (dct_coeff*ff_inv_aanscales[ scantable[i] ]) >> 12; |
e6dba5df | 3126 | zero_distortion= dct_coeff*dct_coeff; |
b6bffc46 | 3127 | |
3ada94ba | 3128 | for(level_index=0; level_index < coeff_count[i]; level_index++){ |
e6dba5df | 3129 | int distortion; |
3ada94ba BF |
3130 | int level= coeff[level_index][i]; |
3131 | const int alevel= FFABS(level); | |
3132 | int unquant_coeff; | |
3133 | ||
3134 | assert(level); | |
3135 | ||
3136 | if(s->out_format == FMT_H263){ | |
3137 | unquant_coeff= alevel*qmul + qadd; | |
3138 | }else{ //MPEG1 | |
3139 | j= s->dsp.idct_permutation[ scantable[i] ]; //FIXME optimize | |
3140 | if(s->mb_intra){ | |
3141 | unquant_coeff = (int)( alevel * qscale * s->intra_matrix[j]) >> 3; | |
3142 | unquant_coeff = (unquant_coeff - 1) | 1; | |
3143 | }else{ | |
3144 | unquant_coeff = ((( alevel << 1) + 1) * qscale * ((int) s->inter_matrix[j])) >> 4; | |
3145 | unquant_coeff = (unquant_coeff - 1) | 1; | |
3146 | } | |
3147 | unquant_coeff<<= 3; | |
3148 | } | |
3149 | ||
e6dba5df | 3150 | distortion= (unquant_coeff - dct_coeff) * (unquant_coeff - dct_coeff) - zero_distortion; |
3ada94ba BF |
3151 | level+=64; |
3152 | if((level&(~127)) == 0){ | |
3153 | for(j=survivor_count-1; j>=0; j--){ | |
3154 | int run= i - survivor[j]; | |
e6dba5df | 3155 | int score= distortion + length[UNI_AC_ENC_INDEX(run, level)]*lambda; |
3ada94ba BF |
3156 | score += score_tab[i-run]; |
3157 | ||
3158 | if(score < best_score){ | |
3159 | best_score= score; | |
3160 | run_tab[i+1]= run; | |
3161 | level_tab[i+1]= level-64; | |
3162 | } | |
3163 | } | |
3164 | ||
3165 | if(s->out_format == FMT_H263){ | |
3166 | for(j=survivor_count-1; j>=0; j--){ | |
3167 | int run= i - survivor[j]; | |
e6dba5df | 3168 | int score= distortion + last_length[UNI_AC_ENC_INDEX(run, level)]*lambda; |
3ada94ba BF |
3169 | score += score_tab[i-run]; |
3170 | if(score < last_score){ | |
3171 | last_score= score; | |
3172 | last_run= run; | |
3173 | last_level= level-64; | |
3174 | last_i= i+1; | |
3175 | } | |
3176 | } | |
3177 | } | |
3178 | }else{ | |
e6dba5df | 3179 | distortion += esc_length*lambda; |
3ada94ba BF |
3180 | for(j=survivor_count-1; j>=0; j--){ |
3181 | int run= i - survivor[j]; | |
e6dba5df | 3182 | int score= distortion + score_tab[i-run]; |
3ada94ba BF |
3183 | |
3184 | if(score < best_score){ | |
3185 | best_score= score; | |
3186 | run_tab[i+1]= run; | |
3187 | level_tab[i+1]= level-64; | |
3188 | } | |
3189 | } | |
3190 | ||
3191 | if(s->out_format == FMT_H263){ | |
3192 | for(j=survivor_count-1; j>=0; j--){ | |
3193 | int run= i - survivor[j]; | |
e6dba5df | 3194 | int score= distortion + score_tab[i-run]; |
3ada94ba BF |
3195 | if(score < last_score){ |
3196 | last_score= score; | |
3197 | last_run= run; | |
3198 | last_level= level-64; | |
3199 | last_i= i+1; | |
3200 | } | |
3201 | } | |
3202 | } | |
3203 | } | |
3204 | } | |
3205 | ||
3206 | score_tab[i+1]= best_score; | |
3207 | ||
3208 | //Note: there is a vlc code in mpeg4 which is 1 bit shorter then another one with a shorter run and the same level | |
3209 | if(last_non_zero <= 27){ | |
3210 | for(; survivor_count; survivor_count--){ | |
3211 | if(score_tab[ survivor[survivor_count-1] ] <= best_score) | |
3212 | break; | |
3213 | } | |
3214 | }else{ | |
3215 | for(; survivor_count; survivor_count--){ | |
3216 | if(score_tab[ survivor[survivor_count-1] ] <= best_score + lambda) | |
3217 | break; | |
3218 | } | |
3219 | } | |
3220 | ||
3221 | survivor[ survivor_count++ ]= i+1; | |
3222 | } | |
3223 | ||
3224 | if(s->out_format != FMT_H263){ | |
3225 | last_score= 256*256*256*120; | |
3226 | for(i= survivor[0]; i<=last_non_zero + 1; i++){ | |
3227 | int score= score_tab[i]; | |
3228 | if(i) score += lambda*2; //FIXME exacter? | |
3229 | ||
3230 | if(score < last_score){ | |
3231 | last_score= score; | |
3232 | last_i= i; | |
3233 | last_level= level_tab[i]; | |
3234 | last_run= run_tab[i]; | |
3235 | } | |
3236 | } | |
3237 | } | |
3238 | ||
3239 | s->coded_score[n] = last_score; | |
3240 | ||
3241 | dc= FFABS(block[0]); | |
3242 | last_non_zero= last_i - 1; | |
3243 | memset(block + start_i, 0, (64-start_i)*sizeof(DCTELEM)); | |
3244 | ||
3245 | if(last_non_zero < start_i) | |
3246 | return last_non_zero; | |
3247 | ||
3248 | if(last_non_zero == 0 && start_i == 0){ | |
3249 | int best_level= 0; | |
3250 | int best_score= dc * dc; | |
3251 | ||
3252 | for(i=0; i<coeff_count[0]; i++){ | |
3253 | int level= coeff[i][0]; | |
3254 | int alevel= FFABS(level); | |
3255 | int unquant_coeff, score, distortion; | |
3256 | ||
3257 | if(s->out_format == FMT_H263){ | |
3258 | unquant_coeff= (alevel*qmul + qadd)>>3; | |
3259 | }else{ //MPEG1 | |
3260 | unquant_coeff = ((( alevel << 1) + 1) * qscale * ((int) s->inter_matrix[0])) >> 4; | |
3261 | unquant_coeff = (unquant_coeff - 1) | 1; | |
3262 | } | |
3263 | unquant_coeff = (unquant_coeff + 4) >> 3; | |
3264 | unquant_coeff<<= 3 + 3; | |
3265 | ||
3266 | distortion= (unquant_coeff - dc) * (unquant_coeff - dc); | |
3267 | level+=64; | |
3268 | if((level&(~127)) == 0) score= distortion + last_length[UNI_AC_ENC_INDEX(0, level)]*lambda; | |
3269 | else score= distortion + esc_length*lambda; | |
3270 | ||
3271 | if(score < best_score){ | |
3272 | best_score= score; | |
3273 | best_level= level - 64; | |
3274 | } | |
3275 | } | |
3276 | block[0]= best_level; | |
3277 | s->coded_score[n] = best_score - dc*dc; | |
3278 | if(best_level == 0) return -1; | |
3279 | else return last_non_zero; | |
3280 | } | |
3281 | ||
3282 | i= last_i; | |
3283 | assert(last_level); | |
3284 | ||
3285 | block[ perm_scantable[last_non_zero] ]= last_level; | |
3286 | i -= last_run + 1; | |
3287 | ||
3288 | for(; i>start_i; i -= run_tab[i] + 1){ | |
3289 | block[ perm_scantable[i-1] ]= level_tab[i]; | |
3290 | } | |
3291 | ||
3292 | return last_non_zero; | |
3293 | } | |
3294 | ||
3295 | //#define REFINE_STATS 1 | |
3296 | static int16_t basis[64][64]; | |
3297 | ||
3298 | static void build_basis(uint8_t *perm){ | |
3299 | int i, j, x, y; | |
3300 | emms_c(); | |
3301 | for(i=0; i<8; i++){ | |
3302 | for(j=0; j<8; j++){ | |
3303 | for(y=0; y<8; y++){ | |
3304 | for(x=0; x<8; x++){ | |
3305 | double s= 0.25*(1<<BASIS_SHIFT); | |
3306 | int index= 8*i + j; | |
3307 | int perm_index= perm[index]; | |
3308 | if(i==0) s*= sqrt(0.5); | |
3309 | if(j==0) s*= sqrt(0.5); | |
3310 | basis[perm_index][8*x + y]= lrintf(s * cos((M_PI/8.0)*i*(x+0.5)) * cos((M_PI/8.0)*j*(y+0.5))); | |
3311 | } | |
3312 | } | |
3313 | } | |
3314 | } | |
3315 | } | |
3316 | ||
3317 | static int dct_quantize_refine(MpegEncContext *s, //FIXME breaks denoise? | |
3318 | DCTELEM *block, int16_t *weight, DCTELEM *orig, | |
3319 | int n, int qscale){ | |
3320 | int16_t rem[64]; | |
40d11227 | 3321 | LOCAL_ALIGNED_16(DCTELEM, d1, [64]); |
3ada94ba BF |
3322 | const uint8_t *scantable= s->intra_scantable.scantable; |
3323 | const uint8_t *perm_scantable= s->intra_scantable.permutated; | |
3324 | // unsigned int threshold1, threshold2; | |
3325 | // int bias=0; | |
3326 | int run_tab[65]; | |
3327 | int prev_run=0; | |
3328 | int prev_level=0; | |
3329 | int qmul, qadd, start_i, last_non_zero, i, dc; | |
3330 | uint8_t * length; | |
3331 | uint8_t * last_length; | |
3332 | int lambda; | |
3333 | int rle_index, run, q = 1, sum; //q is only used when s->mb_intra is true | |
3334 | #ifdef REFINE_STATS | |
3335 | static int count=0; | |
3336 | static int after_last=0; | |
3337 | static int to_zero=0; | |
3338 | static int from_zero=0; | |
3339 | static int raise=0; | |
3340 | static int lower=0; | |
3341 | static int messed_sign=0; | |
3342 | #endif | |
3343 | ||
3344 | if(basis[0][0] == 0) | |
3345 | build_basis(s->dsp.idct_permutation); | |
3346 | ||
3347 | qmul= qscale*2; | |
3348 | qadd= (qscale-1)|1; | |
3349 | if (s->mb_intra) { | |
3350 | if (!s->h263_aic) { | |
3351 | if (n < 4) | |
3352 | q = s->y_dc_scale; | |
3353 | else | |
3354 | q = s->c_dc_scale; | |
3355 | } else{ | |
3356 | /* For AIC we skip quant/dequant of INTRADC */ | |
3357 | q = 1; | |
3358 | qadd=0; | |
3359 | } | |
3360 | q <<= RECON_SHIFT-3; | |
3361 | /* note: block[0] is assumed to be positive */ | |
3362 | dc= block[0]*q; | |
3363 | // block[0] = (block[0] + (q >> 1)) / q; | |
3364 | start_i = 1; | |
3ada94ba BF |
3365 | // if(s->mpeg_quant || s->out_format == FMT_MPEG1) |
3366 | // bias= 1<<(QMAT_SHIFT-1); | |
3367 | length = s->intra_ac_vlc_length; | |
3368 | last_length= s->intra_ac_vlc_last_length; | |
3369 | } else { | |
3370 | dc= 0; | |
3371 | start_i = 0; | |
3ada94ba BF |
3372 | length = s->inter_ac_vlc_length; |
3373 | last_length= s->inter_ac_vlc_last_length; | |
3374 | } | |
3375 | last_non_zero = s->block_last_index[n]; | |
3376 | ||
3377 | #ifdef REFINE_STATS | |
3378 | {START_TIMER | |
3379 | #endif | |
3380 | dc += (1<<(RECON_SHIFT-1)); | |
3381 | for(i=0; i<64; i++){ | |
3382 | rem[i]= dc - (orig[i]<<RECON_SHIFT); //FIXME use orig dirrectly instead of copying to rem[] | |
3383 | } | |
3384 | #ifdef REFINE_STATS | |
3385 | STOP_TIMER("memset rem[]")} | |
3386 | #endif | |
3387 | sum=0; | |
3388 | for(i=0; i<64; i++){ | |
3389 | int one= 36; | |
3390 | int qns=4; | |
3391 | int w; | |
3392 | ||
3393 | w= FFABS(weight[i]) + qns*one; | |
3394 | w= 15 + (48*qns*one + w/2)/w; // 16 .. 63 | |
3395 | ||
3396 | weight[i] = w; | |
3397 | // w=weight[i] = (63*qns + (w/2)) / w; | |
3398 | ||
3399 | assert(w>0); | |
3400 | assert(w<(1<<6)); | |
3401 | sum += w*w; | |
3402 | } | |
3403 | lambda= sum*(uint64_t)s->lambda2 >> (FF_LAMBDA_SHIFT - 6 + 6 + 6 + 6); | |
3404 | #ifdef REFINE_STATS | |
3405 | {START_TIMER | |
3406 | #endif | |
3407 | run=0; | |
3408 | rle_index=0; | |
3409 | for(i=start_i; i<=last_non_zero; i++){ | |
3410 | int j= perm_scantable[i]; | |
3411 | const int level= block[j]; | |
3412 | int coeff; | |
3413 | ||
3414 | if(level){ | |
3415 | if(level<0) coeff= qmul*level - qadd; | |
3416 | else coeff= qmul*level + qadd; | |
3417 | run_tab[rle_index++]=run; | |
3418 | run=0; | |
3419 | ||
3420 | s->dsp.add_8x8basis(rem, basis[j], coeff); | |
3421 | }else{ | |
3422 | run++; | |
3423 | } | |
3424 | } | |
3425 | #ifdef REFINE_STATS | |
3426 | if(last_non_zero>0){ | |
3427 | STOP_TIMER("init rem[]") | |
3428 | } | |
3429 | } | |
3430 | ||
3431 | {START_TIMER | |
3432 | #endif | |
3433 | for(;;){ | |
3434 | int best_score=s->dsp.try_8x8basis(rem, weight, basis[0], 0); | |
3435 | int best_coeff=0; | |
3436 | int best_change=0; | |
3437 | int run2, best_unquant_change=0, analyze_gradient; | |
3438 | #ifdef REFINE_STATS | |
3439 | {START_TIMER | |
3440 | #endif | |
3441 | analyze_gradient = last_non_zero > 2 || s->avctx->quantizer_noise_shaping >= 3; | |
3442 | ||
3443 | if(analyze_gradient){ | |
3444 | #ifdef REFINE_STATS | |
3445 | {START_TIMER | |
3446 | #endif | |
3447 | for(i=0; i<64; i++){ | |
3448 | int w= weight[i]; | |
3449 | ||
3450 | d1[i] = (rem[i]*w*w + (1<<(RECON_SHIFT+12-1)))>>(RECON_SHIFT+12); | |
3451 | } | |
3452 | #ifdef REFINE_STATS | |
3453 | STOP_TIMER("rem*w*w")} | |
3454 | {START_TIMER | |
3455 | #endif | |
3456 | s->dsp.fdct(d1); | |
3457 | #ifdef REFINE_STATS | |
3458 | STOP_TIMER("dct")} | |
3459 | #endif | |
3460 | } | |
3461 | ||
3462 | if(start_i){ | |
3463 | const int level= block[0]; | |
3464 | int change, old_coeff; | |
3465 | ||
3466 | assert(s->mb_intra); | |
3467 | ||
3468 | old_coeff= q*level; | |
3469 | ||
3470 | for(change=-1; change<=1; change+=2){ | |
3471 | int new_level= level + change; | |
3472 | int score, new_coeff; | |
3473 | ||
3474 | new_coeff= q*new_level; | |
3475 | if(new_coeff >= 2048 || new_coeff < 0) | |
3476 | continue; | |
3477 | ||
3478 | score= s->dsp.try_8x8basis(rem, weight, basis[0], new_coeff - old_coeff); | |
3479 | if(score<best_score){ | |
3480 | best_score= score; | |
3481 | best_coeff= 0; | |
3482 | best_change= change; | |
3483 | best_unquant_change= new_coeff - old_coeff; | |
3484 | } | |
3485 | } | |
3486 | } | |
3487 | ||
3488 | run=0; | |
3489 | rle_index=0; | |
3490 | run2= run_tab[rle_index++]; | |
3491 | prev_level=0; | |
3492 | prev_run=0; | |
3493 | ||
3494 | for(i=start_i; i<64; i++){ | |
3495 | int j= perm_scantable[i]; | |
3496 | const int level= block[j]; | |
3497 | int change, old_coeff; | |
3498 | ||
3499 | if(s->avctx->quantizer_noise_shaping < 3 && i > last_non_zero + 1) | |
3500 | break; | |
3501 | ||
3502 | if(level){ | |
3503 | if(level<0) old_coeff= qmul*level - qadd; | |
3504 | else old_coeff= qmul*level + qadd; | |
3505 | run2= run_tab[rle_index++]; //FIXME ! maybe after last | |
3506 | }else{ | |
3507 | old_coeff=0; | |
3508 | run2--; | |
3509 | assert(run2>=0 || i >= last_non_zero ); | |
3510 | } | |
3511 | ||
3512 | for(change=-1; change<=1; change+=2){ | |
3513 | int new_level= level + change; | |
3514 | int score, new_coeff, unquant_change; | |
3515 | ||
3516 | score=0; | |
3517 | if(s->avctx->quantizer_noise_shaping < 2 && FFABS(new_level) > FFABS(level)) | |
3518 | continue; | |
3519 | ||
3520 | if(new_level){ | |
3521 | if(new_level<0) new_coeff= qmul*new_level - qadd; | |
3522 | else new_coeff= qmul*new_level + qadd; | |
3523 | if(new_coeff >= 2048 || new_coeff <= -2048) | |
3524 | continue; | |
3525 | //FIXME check for overflow | |
3526 | ||
3527 | if(level){ | |
3528 | if(level < 63 && level > -63){ | |
3529 | if(i < last_non_zero) | |
3530 | score += length[UNI_AC_ENC_INDEX(run, new_level+64)] | |
3531 | - length[UNI_AC_ENC_INDEX(run, level+64)]; | |
3532 | else | |
3533 | score += last_length[UNI_AC_ENC_INDEX(run, new_level+64)] | |
3534 | - last_length[UNI_AC_ENC_INDEX(run, level+64)]; | |
3535 | } | |
3536 | }else{ | |
3537 | assert(FFABS(new_level)==1); | |
3538 | ||
3539 | if(analyze_gradient){ | |
3540 | int g= d1[ scantable[i] ]; | |
3541 | if(g && (g^new_level) >= 0) | |
3542 | continue; | |
3543 | } | |
3544 | ||
3545 | if(i < last_non_zero){ | |
3546 | int next_i= i + run2 + 1; | |
3547 | int next_level= block[ perm_scantable[next_i] ] + 64; | |
3548 | ||
3549 | if(next_level&(~127)) | |
3550 | next_level= 0; | |
3551 | ||
3552 | if(next_i < last_non_zero) | |
3553 | score += length[UNI_AC_ENC_INDEX(run, 65)] | |
3554 | + length[UNI_AC_ENC_INDEX(run2, next_level)] | |
3555 | - length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)]; | |
3556 | else | |
3557 | score += length[UNI_AC_ENC_INDEX(run, 65)] | |
3558 | + last_length[UNI_AC_ENC_INDEX(run2, next_level)] | |
3559 | - last_length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)]; | |
3560 | }else{ | |
3561 | score += last_length[UNI_AC_ENC_INDEX(run, 65)]; | |
3562 | if(prev_level){ | |
3563 | score += length[UNI_AC_ENC_INDEX(prev_run, prev_level)] | |
3564 | - last_length[UNI_AC_ENC_INDEX(prev_run, prev_level)]; | |
3565 | } | |
3566 | } | |
3567 | } | |
3568 | }else{ | |
3569 | new_coeff=0; | |
3570 | assert(FFABS(level)==1); | |
3571 | ||
3572 | if(i < last_non_zero){ | |
3573 | int next_i= i + run2 + 1; | |
3574 | int next_level= block[ perm_scantable[next_i] ] + 64; | |
3575 | ||
3576 | if(next_level&(~127)) | |
3577 | next_level= 0; | |
3578 | ||
3579 | if(next_i < last_non_zero) | |
3580 | score += length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)] | |
3581 | - length[UNI_AC_ENC_INDEX(run2, next_level)] | |
3582 | - length[UNI_AC_ENC_INDEX(run, 65)]; | |
3583 | else | |
3584 | score += last_length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)] | |
3585 | - last_length[UNI_AC_ENC_INDEX(run2, next_level)] | |
3586 | - length[UNI_AC_ENC_INDEX(run, 65)]; | |
3587 | }else{ | |
3588 | score += -last_length[UNI_AC_ENC_INDEX(run, 65)]; | |
3589 | if(prev_level){ | |
3590 | score += last_length[UNI_AC_ENC_INDEX(prev_run, prev_level)] | |
3591 | - length[UNI_AC_ENC_INDEX(prev_run, prev_level)]; | |
3592 | } | |
3593 | } | |
3594 | } | |
3595 | ||
3596 | score *= lambda; | |
3597 | ||
3598 | unquant_change= new_coeff - old_coeff; | |
3599 | assert((score < 100*lambda && score > -100*lambda) || lambda==0); | |
3600 | ||
3601 | score+= s->dsp.try_8x8basis(rem, weight, basis[j], unquant_change); | |
3602 | if(score<best_score){ | |
3603 | best_score= score; | |
3604 | best_coeff= i; | |
3605 | best_change= change; | |
3606 | best_unquant_change= unquant_change; | |
3607 | } | |
3608 | } | |
3609 | if(level){ | |
3610 | prev_level= level + 64; | |
3611 | if(prev_level&(~127)) | |
3612 | prev_level= 0; | |
3613 | prev_run= run; | |
3614 | run=0; | |
3615 | }else{ | |
3616 | run++; | |
3617 | } | |
3618 | } | |
3619 | #ifdef REFINE_STATS | |
3620 | STOP_TIMER("iterative step")} | |
3621 | #endif | |
3622 | ||
3623 | if(best_change){ | |
3624 | int j= perm_scantable[ best_coeff ]; | |
3625 | ||
3626 | block[j] += best_change; | |
3627 | ||
3628 | if(best_coeff > last_non_zero){ | |
3629 | last_non_zero= best_coeff; | |
3630 | assert(block[j]); | |
3631 | #ifdef REFINE_STATS | |
3632 | after_last++; | |
3633 | #endif | |
3634 | }else{ | |
3635 | #ifdef REFINE_STATS | |
3636 | if(block[j]){ | |
3637 | if(block[j] - best_change){ | |
3638 | if(FFABS(block[j]) > FFABS(block[j] - best_change)){ | |
3639 |