bf1f81e4f3bfa988d191e938ae6dbcdab491435e
[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 #if CONFIG_H263_VDPAU_HWACCEL || CONFIG_MPEG1_VDPAU_HWACCEL || \
52 CONFIG_MPEG2_VDPAU_HWACCEL || CONFIG_MPEG4_VDPAU_HWACCEL || \
53 CONFIG_VC1_VDPAU_HWACCEL || CONFIG_WMV3_VDPAU_HWACCEL
54 int ff_vdpau_mpeg_end_frame(AVCodecContext *avctx)
55 {
56 AVVDPAUContext *hwctx = avctx->hwaccel_context;
57 MpegEncContext *s = avctx->priv_data;
58 VdpVideoSurface surf = ff_vdpau_get_surface_id(s->current_picture_ptr);
59
60 hwctx->render(hwctx->decoder, surf, (void *)&hwctx->info,
61 hwctx->bitstream_buffers_used, hwctx->bitstream_buffers);
62
63 ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
64 hwctx->bitstream_buffers_used = 0;
65
66 return 0;
67 }
68 #endif
69
70 int ff_vdpau_add_buffer(AVCodecContext *avctx,
71 const uint8_t *buf, uint32_t size)
72 {
73 AVVDPAUContext *hwctx = avctx->hwaccel_context;
74 VdpBitstreamBuffer *buffers = hwctx->bitstream_buffers;
75
76 buffers = av_fast_realloc(buffers, &hwctx->bitstream_buffers_allocated,
77 (hwctx->bitstream_buffers_used + 1) * sizeof(*buffers));
78 if (!buffers)
79 return AVERROR(ENOMEM);
80
81 hwctx->bitstream_buffers = buffers;
82 buffers += hwctx->bitstream_buffers_used++;
83
84 buffers->struct_version = VDP_BITSTREAM_BUFFER_VERSION;
85 buffers->bitstream = buf;
86 buffers->bitstream_bytes = size;
87 return 0;
88 }
89
90 /* Obsolete non-hwaccel VDPAU support below... */
91
92 void ff_vdpau_h264_set_reference_frames(H264Context *h)
93 {
94 struct vdpau_render_state *render, *render_ref;
95 VdpReferenceFrameH264 *rf, *rf2;
96 Picture *pic;
97 int i, list, pic_frame_idx;
98
99 render = (struct vdpau_render_state *)h->cur_pic_ptr->f.data[0];
100 assert(render);
101
102 rf = &render->info.h264.referenceFrames[0];
103 #define H264_RF_COUNT FF_ARRAY_ELEMS(render->info.h264.referenceFrames)
104
105 for (list = 0; list < 2; ++list) {
106 Picture **lp = list ? h->long_ref : h->short_ref;
107 int ls = list ? 16 : h->short_ref_count;
108
109 for (i = 0; i < ls; ++i) {
110 pic = lp[i];
111 if (!pic || !pic->reference)
112 continue;
113 pic_frame_idx = pic->long_ref ? pic->pic_id : pic->frame_num;
114
115 render_ref = (struct vdpau_render_state *)pic->f.data[0];
116 assert(render_ref);
117
118 rf2 = &render->info.h264.referenceFrames[0];
119 while (rf2 != rf) {
120 if (
121 (rf2->surface == render_ref->surface)
122 && (rf2->is_long_term == pic->long_ref)
123 && (rf2->frame_idx == pic_frame_idx)
124 )
125 break;
126 ++rf2;
127 }
128 if (rf2 != rf) {
129 rf2->top_is_reference |= (pic->reference & PICT_TOP_FIELD) ? VDP_TRUE : VDP_FALSE;
130 rf2->bottom_is_reference |= (pic->reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE;
131 continue;
132 }
133
134 if (rf >= &render->info.h264.referenceFrames[H264_RF_COUNT])
135 continue;
136
137 rf->surface = render_ref->surface;
138 rf->is_long_term = pic->long_ref;
139 rf->top_is_reference = (pic->reference & PICT_TOP_FIELD) ? VDP_TRUE : VDP_FALSE;
140 rf->bottom_is_reference = (pic->reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE;
141 rf->field_order_cnt[0] = pic->field_poc[0];
142 rf->field_order_cnt[1] = pic->field_poc[1];
143 rf->frame_idx = pic_frame_idx;
144
145 ++rf;
146 }
147 }
148
149 for (; rf < &render->info.h264.referenceFrames[H264_RF_COUNT]; ++rf) {
150 rf->surface = VDP_INVALID_HANDLE;
151 rf->is_long_term = 0;
152 rf->top_is_reference = 0;
153 rf->bottom_is_reference = 0;
154 rf->field_order_cnt[0] = 0;
155 rf->field_order_cnt[1] = 0;
156 rf->frame_idx = 0;
157 }
158 }
159
160 void ff_vdpau_add_data_chunk(uint8_t *data, const uint8_t *buf, int buf_size)
161 {
162 struct vdpau_render_state *render = (struct vdpau_render_state*)data;
163 assert(render);
164
165 render->bitstream_buffers= av_fast_realloc(
166 render->bitstream_buffers,
167 &render->bitstream_buffers_allocated,
168 sizeof(*render->bitstream_buffers)*(render->bitstream_buffers_used + 1)
169 );
170
171 render->bitstream_buffers[render->bitstream_buffers_used].struct_version = VDP_BITSTREAM_BUFFER_VERSION;
172 render->bitstream_buffers[render->bitstream_buffers_used].bitstream = buf;
173 render->bitstream_buffers[render->bitstream_buffers_used].bitstream_bytes = buf_size;
174 render->bitstream_buffers_used++;
175 }
176
177 #if CONFIG_H264_VDPAU_DECODER
178 void ff_vdpau_h264_picture_start(H264Context *h)
179 {
180 struct vdpau_render_state *render;
181 int i;
182
183 render = (struct vdpau_render_state *)h->cur_pic_ptr->f.data[0];
184 assert(render);
185
186 for (i = 0; i < 2; ++i) {
187 int foc = h->cur_pic_ptr->field_poc[i];
188 if (foc == INT_MAX)
189 foc = 0;
190 render->info.h264.field_order_cnt[i] = foc;
191 }
192
193 render->info.h264.frame_num = h->frame_num;
194 }
195
196 void ff_vdpau_h264_picture_complete(H264Context *h)
197 {
198 struct vdpau_render_state *render;
199
200 render = (struct vdpau_render_state *)h->cur_pic_ptr->f.data[0];
201 assert(render);
202
203 render->info.h264.slice_count = h->slice_num;
204 if (render->info.h264.slice_count < 1)
205 return;
206
207 render->info.h264.is_reference = (h->cur_pic_ptr->reference & 3) ? VDP_TRUE : VDP_FALSE;
208 render->info.h264.field_pic_flag = h->picture_structure != PICT_FRAME;
209 render->info.h264.bottom_field_flag = h->picture_structure == PICT_BOTTOM_FIELD;
210 render->info.h264.num_ref_frames = h->sps.ref_frame_count;
211 render->info.h264.mb_adaptive_frame_field_flag = h->sps.mb_aff && !render->info.h264.field_pic_flag;
212 render->info.h264.constrained_intra_pred_flag = h->pps.constrained_intra_pred;
213 render->info.h264.weighted_pred_flag = h->pps.weighted_pred;
214 render->info.h264.weighted_bipred_idc = h->pps.weighted_bipred_idc;
215 render->info.h264.frame_mbs_only_flag = h->sps.frame_mbs_only_flag;
216 render->info.h264.transform_8x8_mode_flag = h->pps.transform_8x8_mode;
217 render->info.h264.chroma_qp_index_offset = h->pps.chroma_qp_index_offset[0];
218 render->info.h264.second_chroma_qp_index_offset = h->pps.chroma_qp_index_offset[1];
219 render->info.h264.pic_init_qp_minus26 = h->pps.init_qp - 26;
220 render->info.h264.num_ref_idx_l0_active_minus1 = h->pps.ref_count[0] - 1;
221 render->info.h264.num_ref_idx_l1_active_minus1 = h->pps.ref_count[1] - 1;
222 render->info.h264.log2_max_frame_num_minus4 = h->sps.log2_max_frame_num - 4;
223 render->info.h264.pic_order_cnt_type = h->sps.poc_type;
224 render->info.h264.log2_max_pic_order_cnt_lsb_minus4 = h->sps.poc_type ? 0 : h->sps.log2_max_poc_lsb - 4;
225 render->info.h264.delta_pic_order_always_zero_flag = h->sps.delta_pic_order_always_zero_flag;
226 render->info.h264.direct_8x8_inference_flag = h->sps.direct_8x8_inference_flag;
227 render->info.h264.entropy_coding_mode_flag = h->pps.cabac;
228 render->info.h264.pic_order_present_flag = h->pps.pic_order_present;
229 render->info.h264.deblocking_filter_control_present_flag = h->pps.deblocking_filter_parameters_present;
230 render->info.h264.redundant_pic_cnt_present_flag = h->pps.redundant_pic_cnt_present;
231 memcpy(render->info.h264.scaling_lists_4x4, h->pps.scaling_matrix4, sizeof(render->info.h264.scaling_lists_4x4));
232 memcpy(render->info.h264.scaling_lists_8x8[0], h->pps.scaling_matrix8[0], sizeof(render->info.h264.scaling_lists_8x8[0]));
233 memcpy(render->info.h264.scaling_lists_8x8[1], h->pps.scaling_matrix8[3], sizeof(render->info.h264.scaling_lists_8x8[0]));
234
235 ff_h264_draw_horiz_band(h, 0, h->avctx->height);
236 render->bitstream_buffers_used = 0;
237 }
238 #endif /* CONFIG_H264_VDPAU_DECODER */
239
240 #if CONFIG_MPEG_VDPAU_DECODER || CONFIG_MPEG1_VDPAU_DECODER
241 void ff_vdpau_mpeg_picture_complete(MpegEncContext *s, const uint8_t *buf,
242 int buf_size, int slice_count)
243 {
244 struct vdpau_render_state *render, *last, *next;
245 int i;
246
247 if (!s->current_picture_ptr) return;
248
249 render = (struct vdpau_render_state *)s->current_picture_ptr->f.data[0];
250 assert(render);
251
252 /* fill VdpPictureInfoMPEG1Or2 struct */
253 render->info.mpeg.picture_structure = s->picture_structure;
254 render->info.mpeg.picture_coding_type = s->pict_type;
255 render->info.mpeg.intra_dc_precision = s->intra_dc_precision;
256 render->info.mpeg.frame_pred_frame_dct = s->frame_pred_frame_dct;
257 render->info.mpeg.concealment_motion_vectors = s->concealment_motion_vectors;
258 render->info.mpeg.intra_vlc_format = s->intra_vlc_format;
259 render->info.mpeg.alternate_scan = s->alternate_scan;
260 render->info.mpeg.q_scale_type = s->q_scale_type;
261 render->info.mpeg.top_field_first = s->top_field_first;
262 render->info.mpeg.full_pel_forward_vector = s->full_pel[0]; // MPEG-1 only. Set 0 for MPEG-2
263 render->info.mpeg.full_pel_backward_vector = s->full_pel[1]; // MPEG-1 only. Set 0 for MPEG-2
264 render->info.mpeg.f_code[0][0] = s->mpeg_f_code[0][0]; // For MPEG-1 fill both horiz. & vert.
265 render->info.mpeg.f_code[0][1] = s->mpeg_f_code[0][1];
266 render->info.mpeg.f_code[1][0] = s->mpeg_f_code[1][0];
267 render->info.mpeg.f_code[1][1] = s->mpeg_f_code[1][1];
268 for (i = 0; i < 64; ++i) {
269 render->info.mpeg.intra_quantizer_matrix[i] = s->intra_matrix[i];
270 render->info.mpeg.non_intra_quantizer_matrix[i] = s->inter_matrix[i];
271 }
272
273 render->info.mpeg.forward_reference = VDP_INVALID_HANDLE;
274 render->info.mpeg.backward_reference = VDP_INVALID_HANDLE;
275
276 switch(s->pict_type){
277 case AV_PICTURE_TYPE_B:
278 next = (struct vdpau_render_state *)s->next_picture.f.data[0];
279 assert(next);
280 render->info.mpeg.backward_reference = next->surface;
281 // no return here, going to set forward prediction
282 case AV_PICTURE_TYPE_P:
283 last = (struct vdpau_render_state *)s->last_picture.f.data[0];
284 if (!last) // FIXME: Does this test make sense?
285 last = render; // predict second field from the first
286 render->info.mpeg.forward_reference = last->surface;
287 }
288
289 ff_vdpau_add_data_chunk(s->current_picture_ptr->f.data[0], buf, buf_size);
290
291 render->info.mpeg.slice_count = slice_count;
292
293 if (slice_count)
294 ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
295 render->bitstream_buffers_used = 0;
296 }
297 #endif /* CONFIG_MPEG_VDPAU_DECODER || CONFIG_MPEG1_VDPAU_DECODER */
298
299 #if CONFIG_VC1_VDPAU_DECODER
300 void ff_vdpau_vc1_decode_picture(MpegEncContext *s, const uint8_t *buf,
301 int buf_size)
302 {
303 VC1Context *v = s->avctx->priv_data;
304 struct vdpau_render_state *render, *last, *next;
305
306 render = (struct vdpau_render_state *)s->current_picture.f.data[0];
307 assert(render);
308
309 /* fill LvPictureInfoVC1 struct */
310 render->info.vc1.frame_coding_mode = v->fcm;
311 render->info.vc1.postprocflag = v->postprocflag;
312 render->info.vc1.pulldown = v->broadcast;
313 render->info.vc1.interlace = v->interlace;
314 render->info.vc1.tfcntrflag = v->tfcntrflag;
315 render->info.vc1.finterpflag = v->finterpflag;
316 render->info.vc1.psf = v->psf;
317 render->info.vc1.dquant = v->dquant;
318 render->info.vc1.panscan_flag = v->panscanflag;
319 render->info.vc1.refdist_flag = v->refdist_flag;
320 render->info.vc1.quantizer = v->quantizer_mode;
321 render->info.vc1.extended_mv = v->extended_mv;
322 render->info.vc1.extended_dmv = v->extended_dmv;
323 render->info.vc1.overlap = v->overlap;
324 render->info.vc1.vstransform = v->vstransform;
325 render->info.vc1.loopfilter = v->s.loop_filter;
326 render->info.vc1.fastuvmc = v->fastuvmc;
327 render->info.vc1.range_mapy_flag = v->range_mapy_flag;
328 render->info.vc1.range_mapy = v->range_mapy;
329 render->info.vc1.range_mapuv_flag = v->range_mapuv_flag;
330 render->info.vc1.range_mapuv = v->range_mapuv;
331 /* Specific to simple/main profile only */
332 render->info.vc1.multires = v->multires;
333 render->info.vc1.syncmarker = v->s.resync_marker;
334 render->info.vc1.rangered = v->rangered | (v->rangeredfrm << 1);
335 render->info.vc1.maxbframes = v->s.max_b_frames;
336
337 render->info.vc1.deblockEnable = v->postprocflag & 1;
338 render->info.vc1.pquant = v->pq;
339
340 render->info.vc1.forward_reference = VDP_INVALID_HANDLE;
341 render->info.vc1.backward_reference = VDP_INVALID_HANDLE;
342
343 if (v->bi_type)
344 render->info.vc1.picture_type = 4;
345 else
346 render->info.vc1.picture_type = s->pict_type - 1 + s->pict_type / 3;
347
348 switch(s->pict_type){
349 case AV_PICTURE_TYPE_B:
350 next = (struct vdpau_render_state *)s->next_picture.f.data[0];
351 assert(next);
352 render->info.vc1.backward_reference = next->surface;
353 // no break here, going to set forward prediction
354 case AV_PICTURE_TYPE_P:
355 last = (struct vdpau_render_state *)s->last_picture.f.data[0];
356 if (!last) // FIXME: Does this test make sense?
357 last = render; // predict second field from the first
358 render->info.vc1.forward_reference = last->surface;
359 }
360
361 ff_vdpau_add_data_chunk(s->current_picture_ptr->f.data[0], buf, buf_size);
362
363 render->info.vc1.slice_count = 1;
364
365 ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
366 render->bitstream_buffers_used = 0;
367 }
368 #endif /* (CONFIG_VC1_VDPAU_DECODER */
369
370 #if CONFIG_MPEG4_VDPAU_DECODER
371 void ff_vdpau_mpeg4_decode_picture(MpegEncContext *s, const uint8_t *buf,
372 int buf_size)
373 {
374 struct vdpau_render_state *render, *last, *next;
375 int i;
376
377 if (!s->current_picture_ptr) return;
378
379 render = (struct vdpau_render_state *)s->current_picture_ptr->f.data[0];
380 assert(render);
381
382 /* fill VdpPictureInfoMPEG4Part2 struct */
383 render->info.mpeg4.trd[0] = s->pp_time;
384 render->info.mpeg4.trb[0] = s->pb_time;
385 render->info.mpeg4.trd[1] = s->pp_field_time >> 1;
386 render->info.mpeg4.trb[1] = s->pb_field_time >> 1;
387 render->info.mpeg4.vop_time_increment_resolution = s->avctx->time_base.den;
388 render->info.mpeg4.vop_coding_type = 0;
389 render->info.mpeg4.vop_fcode_forward = s->f_code;
390 render->info.mpeg4.vop_fcode_backward = s->b_code;
391 render->info.mpeg4.resync_marker_disable = !s->resync_marker;
392 render->info.mpeg4.interlaced = !s->progressive_sequence;
393 render->info.mpeg4.quant_type = s->mpeg_quant;
394 render->info.mpeg4.quarter_sample = s->quarter_sample;
395 render->info.mpeg4.short_video_header = s->avctx->codec->id == AV_CODEC_ID_H263;
396 render->info.mpeg4.rounding_control = s->no_rounding;
397 render->info.mpeg4.alternate_vertical_scan_flag = s->alternate_scan;
398 render->info.mpeg4.top_field_first = s->top_field_first;
399 for (i = 0; i < 64; ++i) {
400 render->info.mpeg4.intra_quantizer_matrix[i] = s->intra_matrix[i];
401 render->info.mpeg4.non_intra_quantizer_matrix[i] = s->inter_matrix[i];
402 }
403 render->info.mpeg4.forward_reference = VDP_INVALID_HANDLE;
404 render->info.mpeg4.backward_reference = VDP_INVALID_HANDLE;
405
406 switch (s->pict_type) {
407 case AV_PICTURE_TYPE_B:
408 next = (struct vdpau_render_state *)s->next_picture.f.data[0];
409 assert(next);
410 render->info.mpeg4.backward_reference = next->surface;
411 render->info.mpeg4.vop_coding_type = 2;
412 // no break here, going to set forward prediction
413 case AV_PICTURE_TYPE_P:
414 last = (struct vdpau_render_state *)s->last_picture.f.data[0];
415 assert(last);
416 render->info.mpeg4.forward_reference = last->surface;
417 }
418
419 ff_vdpau_add_data_chunk(s->current_picture_ptr->f.data[0], buf, buf_size);
420
421 ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
422 render->bitstream_buffers_used = 0;
423 }
424 #endif /* CONFIG_MPEG4_VDPAU_DECODER */
425
426 /* @}*/