mpegvideo: split ff_draw_horiz_band().
[libav.git] / libavcodec / vdpau.c
1 /*
2 * Video Decode and Presentation API for UNIX (VDPAU) is used for
3 * HW decode acceleration for MPEG-1/2, MPEG-4 ASP, H.264 and VC-1.
4 *
5 * Copyright (c) 2008 NVIDIA
6 *
7 * This file is part of Libav.
8 *
9 * Libav is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
13 *
14 * Libav is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
18 *
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with Libav; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 */
23
24 #include <limits.h>
25 #include "avcodec.h"
26 #include "h264.h"
27 #include "vc1.h"
28
29 #undef NDEBUG
30 #include <assert.h>
31
32 #include "vdpau.h"
33 #include "vdpau_internal.h"
34
35 /**
36 * @addtogroup VDPAU_Decoding
37 *
38 * @{
39 */
40
41 int ff_vdpau_common_start_frame(AVCodecContext *avctx,
42 av_unused const uint8_t *buffer,
43 av_unused uint32_t size)
44 {
45 AVVDPAUContext *hwctx = avctx->hwaccel_context;
46
47 hwctx->bitstream_buffers_used = 0;
48 return 0;
49 }
50
51 int ff_vdpau_common_end_frame(AVCodecContext *avctx)
52 {
53 MpegEncContext * const s = avctx->priv_data;
54 AVVDPAUContext *hwctx = avctx->hwaccel_context;
55
56 if (hwctx->bitstream_buffers_used) {
57 VdpVideoSurface surf = ff_vdpau_get_surface_id(s->current_picture_ptr);
58
59 hwctx->render(hwctx->decoder, surf, (void *)&hwctx->info,
60 hwctx->bitstream_buffers_used, hwctx->bitstream_buffers);
61
62 ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
63 hwctx->bitstream_buffers_used = 0;
64 }
65 return 0;
66 }
67
68 int ff_vdpau_add_buffer(AVCodecContext *avctx,
69 const uint8_t *buf, uint32_t size)
70 {
71 AVVDPAUContext *hwctx = avctx->hwaccel_context;
72 VdpBitstreamBuffer *buffers = hwctx->bitstream_buffers;
73
74 buffers = av_fast_realloc(buffers, &hwctx->bitstream_buffers_allocated,
75 (hwctx->bitstream_buffers_used + 1) * sizeof(*buffers));
76 if (!buffers)
77 return AVERROR(ENOMEM);
78
79 hwctx->bitstream_buffers = buffers;
80 buffers += hwctx->bitstream_buffers_used++;
81
82 buffers->struct_version = VDP_BITSTREAM_BUFFER_VERSION;
83 buffers->bitstream = buf;
84 buffers->bitstream_bytes = size;
85 return 0;
86 }
87
88 /* Obsolete non-hwaccel VDPAU support below... */
89
90 void ff_vdpau_h264_set_reference_frames(MpegEncContext *s)
91 {
92 H264Context *h = s->avctx->priv_data;
93 struct vdpau_render_state *render, *render_ref;
94 VdpReferenceFrameH264 *rf, *rf2;
95 Picture *pic;
96 int i, list, pic_frame_idx;
97
98 render = (struct vdpau_render_state *)s->current_picture_ptr->f.data[0];
99 assert(render);
100
101 rf = &render->info.h264.referenceFrames[0];
102 #define H264_RF_COUNT FF_ARRAY_ELEMS(render->info.h264.referenceFrames)
103
104 for (list = 0; list < 2; ++list) {
105 Picture **lp = list ? h->long_ref : h->short_ref;
106 int ls = list ? 16 : h->short_ref_count;
107
108 for (i = 0; i < ls; ++i) {
109 pic = lp[i];
110 if (!pic || !pic->f.reference)
111 continue;
112 pic_frame_idx = pic->long_ref ? pic->pic_id : pic->frame_num;
113
114 render_ref = (struct vdpau_render_state *)pic->f.data[0];
115 assert(render_ref);
116
117 rf2 = &render->info.h264.referenceFrames[0];
118 while (rf2 != rf) {
119 if (
120 (rf2->surface == render_ref->surface)
121 && (rf2->is_long_term == pic->long_ref)
122 && (rf2->frame_idx == pic_frame_idx)
123 )
124 break;
125 ++rf2;
126 }
127 if (rf2 != rf) {
128 rf2->top_is_reference |= (pic->f.reference & PICT_TOP_FIELD) ? VDP_TRUE : VDP_FALSE;
129 rf2->bottom_is_reference |= (pic->f.reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE;
130 continue;
131 }
132
133 if (rf >= &render->info.h264.referenceFrames[H264_RF_COUNT])
134 continue;
135
136 rf->surface = render_ref->surface;
137 rf->is_long_term = pic->long_ref;
138 rf->top_is_reference = (pic->f.reference & PICT_TOP_FIELD) ? VDP_TRUE : VDP_FALSE;
139 rf->bottom_is_reference = (pic->f.reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE;
140 rf->field_order_cnt[0] = pic->field_poc[0];
141 rf->field_order_cnt[1] = pic->field_poc[1];
142 rf->frame_idx = pic_frame_idx;
143
144 ++rf;
145 }
146 }
147
148 for (; rf < &render->info.h264.referenceFrames[H264_RF_COUNT]; ++rf) {
149 rf->surface = VDP_INVALID_HANDLE;
150 rf->is_long_term = 0;
151 rf->top_is_reference = 0;
152 rf->bottom_is_reference = 0;
153 rf->field_order_cnt[0] = 0;
154 rf->field_order_cnt[1] = 0;
155 rf->frame_idx = 0;
156 }
157 }
158
159 void ff_vdpau_add_data_chunk(MpegEncContext *s,
160 const uint8_t *buf, int buf_size)
161 {
162 struct vdpau_render_state *render;
163
164 render = (struct vdpau_render_state *)s->current_picture_ptr->f.data[0];
165 assert(render);
166
167 render->bitstream_buffers= av_fast_realloc(
168 render->bitstream_buffers,
169 &render->bitstream_buffers_allocated,
170 sizeof(*render->bitstream_buffers)*(render->bitstream_buffers_used + 1)
171 );
172
173 render->bitstream_buffers[render->bitstream_buffers_used].struct_version = VDP_BITSTREAM_BUFFER_VERSION;
174 render->bitstream_buffers[render->bitstream_buffers_used].bitstream = buf;
175 render->bitstream_buffers[render->bitstream_buffers_used].bitstream_bytes = buf_size;
176 render->bitstream_buffers_used++;
177 }
178
179 void ff_vdpau_h264_picture_start(MpegEncContext *s)
180 {
181 H264Context *h = s->avctx->priv_data;
182 struct vdpau_render_state *render;
183 int i;
184
185 render = (struct vdpau_render_state *)s->current_picture_ptr->f.data[0];
186 assert(render);
187
188 for (i = 0; i < 2; ++i) {
189 int foc = s->current_picture_ptr->field_poc[i];
190 if (foc == INT_MAX)
191 foc = 0;
192 render->info.h264.field_order_cnt[i] = foc;
193 }
194
195 render->info.h264.frame_num = h->frame_num;
196 }
197
198 void ff_vdpau_h264_picture_complete(MpegEncContext *s)
199 {
200 H264Context *h = s->avctx->priv_data;
201 struct vdpau_render_state *render;
202
203 render = (struct vdpau_render_state *)s->current_picture_ptr->f.data[0];
204 assert(render);
205
206 render->info.h264.slice_count = h->slice_num;
207 if (render->info.h264.slice_count < 1)
208 return;
209
210 render->info.h264.is_reference = (s->current_picture_ptr->f.reference & 3) ? VDP_TRUE : VDP_FALSE;
211 render->info.h264.field_pic_flag = s->picture_structure != PICT_FRAME;
212 render->info.h264.bottom_field_flag = s->picture_structure == PICT_BOTTOM_FIELD;
213 render->info.h264.num_ref_frames = h->sps.ref_frame_count;
214 render->info.h264.mb_adaptive_frame_field_flag = h->sps.mb_aff && !render->info.h264.field_pic_flag;
215 render->info.h264.constrained_intra_pred_flag = h->pps.constrained_intra_pred;
216 render->info.h264.weighted_pred_flag = h->pps.weighted_pred;
217 render->info.h264.weighted_bipred_idc = h->pps.weighted_bipred_idc;
218 render->info.h264.frame_mbs_only_flag = h->sps.frame_mbs_only_flag;
219 render->info.h264.transform_8x8_mode_flag = h->pps.transform_8x8_mode;
220 render->info.h264.chroma_qp_index_offset = h->pps.chroma_qp_index_offset[0];
221 render->info.h264.second_chroma_qp_index_offset = h->pps.chroma_qp_index_offset[1];
222 render->info.h264.pic_init_qp_minus26 = h->pps.init_qp - 26;
223 render->info.h264.num_ref_idx_l0_active_minus1 = h->pps.ref_count[0] - 1;
224 render->info.h264.num_ref_idx_l1_active_minus1 = h->pps.ref_count[1] - 1;
225 render->info.h264.log2_max_frame_num_minus4 = h->sps.log2_max_frame_num - 4;
226 render->info.h264.pic_order_cnt_type = h->sps.poc_type;
227 render->info.h264.log2_max_pic_order_cnt_lsb_minus4 = h->sps.poc_type ? 0 : h->sps.log2_max_poc_lsb - 4;
228 render->info.h264.delta_pic_order_always_zero_flag = h->sps.delta_pic_order_always_zero_flag;
229 render->info.h264.direct_8x8_inference_flag = h->sps.direct_8x8_inference_flag;
230 render->info.h264.entropy_coding_mode_flag = h->pps.cabac;
231 render->info.h264.pic_order_present_flag = h->pps.pic_order_present;
232 render->info.h264.deblocking_filter_control_present_flag = h->pps.deblocking_filter_parameters_present;
233 render->info.h264.redundant_pic_cnt_present_flag = h->pps.redundant_pic_cnt_present;
234 memcpy(render->info.h264.scaling_lists_4x4, h->pps.scaling_matrix4, sizeof(render->info.h264.scaling_lists_4x4));
235 memcpy(render->info.h264.scaling_lists_8x8[0], h->pps.scaling_matrix8[0], sizeof(render->info.h264.scaling_lists_8x8[0]));
236 memcpy(render->info.h264.scaling_lists_8x8[1], h->pps.scaling_matrix8[3], sizeof(render->info.h264.scaling_lists_8x8[0]));
237
238 ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
239 render->bitstream_buffers_used = 0;
240 }
241
242 void ff_vdpau_mpeg_picture_complete(MpegEncContext *s, const uint8_t *buf,
243 int buf_size, int slice_count)
244 {
245 struct vdpau_render_state *render, *last, *next;
246 int i;
247
248 if (!s->current_picture_ptr) return;
249
250 render = (struct vdpau_render_state *)s->current_picture_ptr->f.data[0];
251 assert(render);
252
253 /* fill VdpPictureInfoMPEG1Or2 struct */
254 render->info.mpeg.picture_structure = s->picture_structure;
255 render->info.mpeg.picture_coding_type = s->pict_type;
256 render->info.mpeg.intra_dc_precision = s->intra_dc_precision;
257 render->info.mpeg.frame_pred_frame_dct = s->frame_pred_frame_dct;
258 render->info.mpeg.concealment_motion_vectors = s->concealment_motion_vectors;
259 render->info.mpeg.intra_vlc_format = s->intra_vlc_format;
260 render->info.mpeg.alternate_scan = s->alternate_scan;
261 render->info.mpeg.q_scale_type = s->q_scale_type;
262 render->info.mpeg.top_field_first = s->top_field_first;
263 render->info.mpeg.full_pel_forward_vector = s->full_pel[0]; // MPEG-1 only. Set 0 for MPEG-2
264 render->info.mpeg.full_pel_backward_vector = s->full_pel[1]; // MPEG-1 only. Set 0 for MPEG-2
265 render->info.mpeg.f_code[0][0] = s->mpeg_f_code[0][0]; // For MPEG-1 fill both horiz. & vert.
266 render->info.mpeg.f_code[0][1] = s->mpeg_f_code[0][1];
267 render->info.mpeg.f_code[1][0] = s->mpeg_f_code[1][0];
268 render->info.mpeg.f_code[1][1] = s->mpeg_f_code[1][1];
269 for (i = 0; i < 64; ++i) {
270 render->info.mpeg.intra_quantizer_matrix[i] = s->intra_matrix[i];
271 render->info.mpeg.non_intra_quantizer_matrix[i] = s->inter_matrix[i];
272 }
273
274 render->info.mpeg.forward_reference = VDP_INVALID_HANDLE;
275 render->info.mpeg.backward_reference = VDP_INVALID_HANDLE;
276
277 switch(s->pict_type){
278 case AV_PICTURE_TYPE_B:
279 next = (struct vdpau_render_state *)s->next_picture.f.data[0];
280 assert(next);
281 render->info.mpeg.backward_reference = next->surface;
282 // no return here, going to set forward prediction
283 case AV_PICTURE_TYPE_P:
284 last = (struct vdpau_render_state *)s->last_picture.f.data[0];
285 if (!last) // FIXME: Does this test make sense?
286 last = render; // predict second field from the first
287 render->info.mpeg.forward_reference = last->surface;
288 }
289
290 ff_vdpau_add_data_chunk(s, buf, buf_size);
291
292 render->info.mpeg.slice_count = slice_count;
293
294 if (slice_count)
295 ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
296 render->bitstream_buffers_used = 0;
297 }
298
299 void ff_vdpau_vc1_decode_picture(MpegEncContext *s, const uint8_t *buf,
300 int buf_size)
301 {
302 VC1Context *v = s->avctx->priv_data;
303 struct vdpau_render_state *render, *last, *next;
304
305 render = (struct vdpau_render_state *)s->current_picture.f.data[0];
306 assert(render);
307
308 /* fill LvPictureInfoVC1 struct */
309 render->info.vc1.frame_coding_mode = v->fcm;
310 render->info.vc1.postprocflag = v->postprocflag;
311 render->info.vc1.pulldown = v->broadcast;
312 render->info.vc1.interlace = v->interlace;
313 render->info.vc1.tfcntrflag = v->tfcntrflag;
314 render->info.vc1.finterpflag = v->finterpflag;
315 render->info.vc1.psf = v->psf;
316 render->info.vc1.dquant = v->dquant;
317 render->info.vc1.panscan_flag = v->panscanflag;
318 render->info.vc1.refdist_flag = v->refdist_flag;
319 render->info.vc1.quantizer = v->quantizer_mode;
320 render->info.vc1.extended_mv = v->extended_mv;
321 render->info.vc1.extended_dmv = v->extended_dmv;
322 render->info.vc1.overlap = v->overlap;
323 render->info.vc1.vstransform = v->vstransform;
324 render->info.vc1.loopfilter = v->s.loop_filter;
325 render->info.vc1.fastuvmc = v->fastuvmc;
326 render->info.vc1.range_mapy_flag = v->range_mapy_flag;
327 render->info.vc1.range_mapy = v->range_mapy;
328 render->info.vc1.range_mapuv_flag = v->range_mapuv_flag;
329 render->info.vc1.range_mapuv = v->range_mapuv;
330 /* Specific to simple/main profile only */
331 render->info.vc1.multires = v->multires;
332 render->info.vc1.syncmarker = v->s.resync_marker;
333 render->info.vc1.rangered = v->rangered | (v->rangeredfrm << 1);
334 render->info.vc1.maxbframes = v->s.max_b_frames;
335
336 render->info.vc1.deblockEnable = v->postprocflag & 1;
337 render->info.vc1.pquant = v->pq;
338
339 render->info.vc1.forward_reference = VDP_INVALID_HANDLE;
340 render->info.vc1.backward_reference = VDP_INVALID_HANDLE;
341
342 if (v->bi_type)
343 render->info.vc1.picture_type = 4;
344 else
345 render->info.vc1.picture_type = s->pict_type - 1 + s->pict_type / 3;
346
347 switch(s->pict_type){
348 case AV_PICTURE_TYPE_B:
349 next = (struct vdpau_render_state *)s->next_picture.f.data[0];
350 assert(next);
351 render->info.vc1.backward_reference = next->surface;
352 // no break here, going to set forward prediction
353 case AV_PICTURE_TYPE_P:
354 last = (struct vdpau_render_state *)s->last_picture.f.data[0];
355 if (!last) // FIXME: Does this test make sense?
356 last = render; // predict second field from the first
357 render->info.vc1.forward_reference = last->surface;
358 }
359
360 ff_vdpau_add_data_chunk(s, buf, buf_size);
361
362 render->info.vc1.slice_count = 1;
363
364 ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
365 render->bitstream_buffers_used = 0;
366 }
367
368 void ff_vdpau_mpeg4_decode_picture(MpegEncContext *s, const uint8_t *buf,
369 int buf_size)
370 {
371 struct vdpau_render_state *render, *last, *next;
372 int i;
373
374 if (!s->current_picture_ptr) return;
375
376 render = (struct vdpau_render_state *)s->current_picture_ptr->f.data[0];
377 assert(render);
378
379 /* fill VdpPictureInfoMPEG4Part2 struct */
380 render->info.mpeg4.trd[0] = s->pp_time;
381 render->info.mpeg4.trb[0] = s->pb_time;
382 render->info.mpeg4.trd[1] = s->pp_field_time >> 1;
383 render->info.mpeg4.trb[1] = s->pb_field_time >> 1;
384 render->info.mpeg4.vop_time_increment_resolution = s->avctx->time_base.den;
385 render->info.mpeg4.vop_coding_type = 0;
386 render->info.mpeg4.vop_fcode_forward = s->f_code;
387 render->info.mpeg4.vop_fcode_backward = s->b_code;
388 render->info.mpeg4.resync_marker_disable = !s->resync_marker;
389 render->info.mpeg4.interlaced = !s->progressive_sequence;
390 render->info.mpeg4.quant_type = s->mpeg_quant;
391 render->info.mpeg4.quarter_sample = s->quarter_sample;
392 render->info.mpeg4.short_video_header = s->avctx->codec->id == AV_CODEC_ID_H263;
393 render->info.mpeg4.rounding_control = s->no_rounding;
394 render->info.mpeg4.alternate_vertical_scan_flag = s->alternate_scan;
395 render->info.mpeg4.top_field_first = s->top_field_first;
396 for (i = 0; i < 64; ++i) {
397 render->info.mpeg4.intra_quantizer_matrix[i] = s->intra_matrix[i];
398 render->info.mpeg4.non_intra_quantizer_matrix[i] = s->inter_matrix[i];
399 }
400 render->info.mpeg4.forward_reference = VDP_INVALID_HANDLE;
401 render->info.mpeg4.backward_reference = VDP_INVALID_HANDLE;
402
403 switch (s->pict_type) {
404 case AV_PICTURE_TYPE_B:
405 next = (struct vdpau_render_state *)s->next_picture.f.data[0];
406 assert(next);
407 render->info.mpeg4.backward_reference = next->surface;
408 render->info.mpeg4.vop_coding_type = 2;
409 // no break here, going to set forward prediction
410 case AV_PICTURE_TYPE_P:
411 last = (struct vdpau_render_state *)s->last_picture.f.data[0];
412 assert(last);
413 render->info.mpeg4.forward_reference = last->surface;
414 }
415
416 ff_vdpau_add_data_chunk(s, buf, buf_size);
417
418 ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
419 render->bitstream_buffers_used = 0;
420 }
421
422 /* @}*/