vp9: decode_mode context optimizations.
[ffmpeg.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 FFmpeg.
8  *
9  * FFmpeg 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  * FFmpeg 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 FFmpeg; 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 AVVDPAUContext *av_alloc_vdpaucontext(void)
42 {
43     return av_vdpau_alloc_context();
44 }
45
46 MAKE_ACCESSORS(AVVDPAUContext, vdpau_hwaccel, AVVDPAU_Render2, render2)
47
48 int ff_vdpau_common_start_frame(Picture *pic,
49                                 av_unused const uint8_t *buffer,
50                                 av_unused uint32_t size)
51 {
52     struct vdpau_picture_context *pic_ctx = pic->hwaccel_picture_private;
53
54     pic_ctx->bitstream_buffers_allocated = 0;
55     pic_ctx->bitstream_buffers_used      = 0;
56     pic_ctx->bitstream_buffers           = NULL;
57     return 0;
58 }
59
60 #if CONFIG_H263_VDPAU_HWACCEL  || CONFIG_MPEG1_VDPAU_HWACCEL || \
61     CONFIG_MPEG2_VDPAU_HWACCEL || CONFIG_MPEG4_VDPAU_HWACCEL || \
62     CONFIG_VC1_VDPAU_HWACCEL   || CONFIG_WMV3_VDPAU_HWACCEL
63 int ff_vdpau_mpeg_end_frame(AVCodecContext *avctx)
64 {
65     int res = 0;
66     AVVDPAUContext *hwctx = avctx->hwaccel_context;
67     MpegEncContext *s = avctx->priv_data;
68     Picture *pic = s->current_picture_ptr;
69     struct vdpau_picture_context *pic_ctx = pic->hwaccel_picture_private;
70     VdpVideoSurface surf = ff_vdpau_get_surface_id(pic);
71
72 #if FF_API_BUFS_VDPAU
73 FF_DISABLE_DEPRECATION_WARNINGS
74     hwctx->info = pic_ctx->info;
75     hwctx->bitstream_buffers = pic_ctx->bitstream_buffers;
76     hwctx->bitstream_buffers_used = pic_ctx->bitstream_buffers_used;
77     hwctx->bitstream_buffers_allocated = pic_ctx->bitstream_buffers_allocated;
78 FF_ENABLE_DEPRECATION_WARNINGS
79 #endif
80
81     if (!hwctx->render) {
82         res = hwctx->render2(avctx, &pic->f, (void *)&pic_ctx->info,
83                              pic_ctx->bitstream_buffers_used, pic_ctx->bitstream_buffers);
84     } else
85     hwctx->render(hwctx->decoder, surf, (void *)&pic_ctx->info,
86                   pic_ctx->bitstream_buffers_used, pic_ctx->bitstream_buffers);
87
88     ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
89     av_freep(&pic_ctx->bitstream_buffers);
90
91 #if FF_API_BUFS_VDPAU
92 FF_DISABLE_DEPRECATION_WARNINGS
93     hwctx->bitstream_buffers = NULL;
94     hwctx->bitstream_buffers_used = 0;
95     hwctx->bitstream_buffers_allocated = 0;
96 FF_ENABLE_DEPRECATION_WARNINGS
97 #endif
98
99     return res;
100 }
101 #endif
102
103 int ff_vdpau_add_buffer(Picture *pic, const uint8_t *buf, uint32_t size)
104 {
105     struct vdpau_picture_context *pic_ctx = pic->hwaccel_picture_private;
106     VdpBitstreamBuffer *buffers = pic_ctx->bitstream_buffers;
107
108     buffers = av_fast_realloc(buffers, &pic_ctx->bitstream_buffers_allocated,
109                               (pic_ctx->bitstream_buffers_used + 1) * sizeof(*buffers));
110     if (!buffers)
111         return AVERROR(ENOMEM);
112
113     pic_ctx->bitstream_buffers = buffers;
114     buffers += pic_ctx->bitstream_buffers_used++;
115
116     buffers->struct_version  = VDP_BITSTREAM_BUFFER_VERSION;
117     buffers->bitstream       = buf;
118     buffers->bitstream_bytes = size;
119     return 0;
120 }
121
122 /* Obsolete non-hwaccel VDPAU support below... */
123
124 void ff_vdpau_h264_set_reference_frames(H264Context *h)
125 {
126     struct vdpau_render_state *render, *render_ref;
127     VdpReferenceFrameH264 *rf, *rf2;
128     Picture *pic;
129     int i, list, pic_frame_idx;
130
131     render = (struct vdpau_render_state *)h->cur_pic_ptr->f.data[0];
132     assert(render);
133
134     rf = &render->info.h264.referenceFrames[0];
135 #define H264_RF_COUNT FF_ARRAY_ELEMS(render->info.h264.referenceFrames)
136
137     for (list = 0; list < 2; ++list) {
138         Picture **lp = list ? h->long_ref : h->short_ref;
139         int ls = list ? 16 : h->short_ref_count;
140
141         for (i = 0; i < ls; ++i) {
142             pic = lp[i];
143             if (!pic || !pic->reference)
144                 continue;
145             pic_frame_idx = pic->long_ref ? pic->pic_id : pic->frame_num;
146
147             render_ref = (struct vdpau_render_state *)pic->f.data[0];
148             assert(render_ref);
149
150             rf2 = &render->info.h264.referenceFrames[0];
151             while (rf2 != rf) {
152                 if (
153                     (rf2->surface == render_ref->surface)
154                     && (rf2->is_long_term == pic->long_ref)
155                     && (rf2->frame_idx == pic_frame_idx)
156                 )
157                     break;
158                 ++rf2;
159             }
160             if (rf2 != rf) {
161                 rf2->top_is_reference    |= (pic->reference & PICT_TOP_FIELD)    ? VDP_TRUE : VDP_FALSE;
162                 rf2->bottom_is_reference |= (pic->reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE;
163                 continue;
164             }
165
166             if (rf >= &render->info.h264.referenceFrames[H264_RF_COUNT])
167                 continue;
168
169             rf->surface             = render_ref->surface;
170             rf->is_long_term        = pic->long_ref;
171             rf->top_is_reference    = (pic->reference & PICT_TOP_FIELD)    ? VDP_TRUE : VDP_FALSE;
172             rf->bottom_is_reference = (pic->reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE;
173             rf->field_order_cnt[0]  = pic->field_poc[0];
174             rf->field_order_cnt[1]  = pic->field_poc[1];
175             rf->frame_idx           = pic_frame_idx;
176
177             ++rf;
178         }
179     }
180
181     for (; rf < &render->info.h264.referenceFrames[H264_RF_COUNT]; ++rf) {
182         rf->surface             = VDP_INVALID_HANDLE;
183         rf->is_long_term        = 0;
184         rf->top_is_reference    = 0;
185         rf->bottom_is_reference = 0;
186         rf->field_order_cnt[0]  = 0;
187         rf->field_order_cnt[1]  = 0;
188         rf->frame_idx           = 0;
189     }
190 }
191
192 void ff_vdpau_add_data_chunk(uint8_t *data, const uint8_t *buf, int buf_size)
193 {
194     struct vdpau_render_state *render = (struct vdpau_render_state*)data;
195     assert(render);
196
197     render->bitstream_buffers= av_fast_realloc(
198         render->bitstream_buffers,
199         &render->bitstream_buffers_allocated,
200         sizeof(*render->bitstream_buffers)*(render->bitstream_buffers_used + 1)
201     );
202
203     render->bitstream_buffers[render->bitstream_buffers_used].struct_version  = VDP_BITSTREAM_BUFFER_VERSION;
204     render->bitstream_buffers[render->bitstream_buffers_used].bitstream       = buf;
205     render->bitstream_buffers[render->bitstream_buffers_used].bitstream_bytes = buf_size;
206     render->bitstream_buffers_used++;
207 }
208
209 #if CONFIG_H264_VDPAU_DECODER
210 void ff_vdpau_h264_picture_start(H264Context *h)
211 {
212     struct vdpau_render_state *render;
213     int i;
214
215     render = (struct vdpau_render_state *)h->cur_pic_ptr->f.data[0];
216     assert(render);
217
218     for (i = 0; i < 2; ++i) {
219         int foc = h->cur_pic_ptr->field_poc[i];
220         if (foc == INT_MAX)
221             foc = 0;
222         render->info.h264.field_order_cnt[i] = foc;
223     }
224
225     render->info.h264.frame_num = h->frame_num;
226 }
227
228 void ff_vdpau_h264_picture_complete(H264Context *h)
229 {
230     struct vdpau_render_state *render;
231
232     render = (struct vdpau_render_state *)h->cur_pic_ptr->f.data[0];
233     assert(render);
234
235     render->info.h264.slice_count = h->slice_num;
236     if (render->info.h264.slice_count < 1)
237         return;
238
239     render->info.h264.is_reference                           = (h->cur_pic_ptr->reference & 3) ? VDP_TRUE : VDP_FALSE;
240     render->info.h264.field_pic_flag                         = h->picture_structure != PICT_FRAME;
241     render->info.h264.bottom_field_flag                      = h->picture_structure == PICT_BOTTOM_FIELD;
242     render->info.h264.num_ref_frames                         = h->sps.ref_frame_count;
243     render->info.h264.mb_adaptive_frame_field_flag           = h->sps.mb_aff && !render->info.h264.field_pic_flag;
244     render->info.h264.constrained_intra_pred_flag            = h->pps.constrained_intra_pred;
245     render->info.h264.weighted_pred_flag                     = h->pps.weighted_pred;
246     render->info.h264.weighted_bipred_idc                    = h->pps.weighted_bipred_idc;
247     render->info.h264.frame_mbs_only_flag                    = h->sps.frame_mbs_only_flag;
248     render->info.h264.transform_8x8_mode_flag                = h->pps.transform_8x8_mode;
249     render->info.h264.chroma_qp_index_offset                 = h->pps.chroma_qp_index_offset[0];
250     render->info.h264.second_chroma_qp_index_offset          = h->pps.chroma_qp_index_offset[1];
251     render->info.h264.pic_init_qp_minus26                    = h->pps.init_qp - 26;
252     render->info.h264.num_ref_idx_l0_active_minus1           = h->pps.ref_count[0] - 1;
253     render->info.h264.num_ref_idx_l1_active_minus1           = h->pps.ref_count[1] - 1;
254     render->info.h264.log2_max_frame_num_minus4              = h->sps.log2_max_frame_num - 4;
255     render->info.h264.pic_order_cnt_type                     = h->sps.poc_type;
256     render->info.h264.log2_max_pic_order_cnt_lsb_minus4      = h->sps.poc_type ? 0 : h->sps.log2_max_poc_lsb - 4;
257     render->info.h264.delta_pic_order_always_zero_flag       = h->sps.delta_pic_order_always_zero_flag;
258     render->info.h264.direct_8x8_inference_flag              = h->sps.direct_8x8_inference_flag;
259     render->info.h264.entropy_coding_mode_flag               = h->pps.cabac;
260     render->info.h264.pic_order_present_flag                 = h->pps.pic_order_present;
261     render->info.h264.deblocking_filter_control_present_flag = h->pps.deblocking_filter_parameters_present;
262     render->info.h264.redundant_pic_cnt_present_flag         = h->pps.redundant_pic_cnt_present;
263     memcpy(render->info.h264.scaling_lists_4x4, h->pps.scaling_matrix4, sizeof(render->info.h264.scaling_lists_4x4));
264     memcpy(render->info.h264.scaling_lists_8x8[0], h->pps.scaling_matrix8[0], sizeof(render->info.h264.scaling_lists_8x8[0]));
265     memcpy(render->info.h264.scaling_lists_8x8[1], h->pps.scaling_matrix8[3], sizeof(render->info.h264.scaling_lists_8x8[0]));
266
267     ff_h264_draw_horiz_band(h, 0, h->avctx->height);
268     render->bitstream_buffers_used = 0;
269 }
270 #endif /* CONFIG_H264_VDPAU_DECODER */
271
272 #if CONFIG_MPEG_VDPAU_DECODER || CONFIG_MPEG1_VDPAU_DECODER
273 void ff_vdpau_mpeg_picture_complete(MpegEncContext *s, const uint8_t *buf,
274                                     int buf_size, int slice_count)
275 {
276     struct vdpau_render_state *render, *last, *next;
277     int i;
278
279     if (!s->current_picture_ptr) return;
280
281     render = (struct vdpau_render_state *)s->current_picture_ptr->f.data[0];
282     assert(render);
283
284     /* fill VdpPictureInfoMPEG1Or2 struct */
285     render->info.mpeg.picture_structure          = s->picture_structure;
286     render->info.mpeg.picture_coding_type        = s->pict_type;
287     render->info.mpeg.intra_dc_precision         = s->intra_dc_precision;
288     render->info.mpeg.frame_pred_frame_dct       = s->frame_pred_frame_dct;
289     render->info.mpeg.concealment_motion_vectors = s->concealment_motion_vectors;
290     render->info.mpeg.intra_vlc_format           = s->intra_vlc_format;
291     render->info.mpeg.alternate_scan             = s->alternate_scan;
292     render->info.mpeg.q_scale_type               = s->q_scale_type;
293     render->info.mpeg.top_field_first            = s->top_field_first;
294     render->info.mpeg.full_pel_forward_vector    = s->full_pel[0]; // MPEG-1 only.  Set 0 for MPEG-2
295     render->info.mpeg.full_pel_backward_vector   = s->full_pel[1]; // MPEG-1 only.  Set 0 for MPEG-2
296     render->info.mpeg.f_code[0][0]               = s->mpeg_f_code[0][0]; // For MPEG-1 fill both horiz. & vert.
297     render->info.mpeg.f_code[0][1]               = s->mpeg_f_code[0][1];
298     render->info.mpeg.f_code[1][0]               = s->mpeg_f_code[1][0];
299     render->info.mpeg.f_code[1][1]               = s->mpeg_f_code[1][1];
300     for (i = 0; i < 64; ++i) {
301         render->info.mpeg.intra_quantizer_matrix[i]     = s->intra_matrix[i];
302         render->info.mpeg.non_intra_quantizer_matrix[i] = s->inter_matrix[i];
303     }
304
305     render->info.mpeg.forward_reference          = VDP_INVALID_HANDLE;
306     render->info.mpeg.backward_reference         = VDP_INVALID_HANDLE;
307
308     switch(s->pict_type){
309     case  AV_PICTURE_TYPE_B:
310         next = (struct vdpau_render_state *)s->next_picture.f.data[0];
311         assert(next);
312         render->info.mpeg.backward_reference     = next->surface;
313         // no return here, going to set forward prediction
314     case  AV_PICTURE_TYPE_P:
315         last = (struct vdpau_render_state *)s->last_picture.f.data[0];
316         if (!last) // FIXME: Does this test make sense?
317             last = render; // predict second field from the first
318         render->info.mpeg.forward_reference      = last->surface;
319     }
320
321     ff_vdpau_add_data_chunk(s->current_picture_ptr->f.data[0], buf, buf_size);
322
323     render->info.mpeg.slice_count                = slice_count;
324
325     if (slice_count)
326         ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
327     render->bitstream_buffers_used               = 0;
328 }
329 #endif /* CONFIG_MPEG_VDPAU_DECODER || CONFIG_MPEG1_VDPAU_DECODER */
330
331 #if CONFIG_VC1_VDPAU_DECODER
332 void ff_vdpau_vc1_decode_picture(MpegEncContext *s, const uint8_t *buf,
333                                  int buf_size)
334 {
335     VC1Context *v = s->avctx->priv_data;
336     struct vdpau_render_state *render, *last, *next;
337
338     render = (struct vdpau_render_state *)s->current_picture.f.data[0];
339     assert(render);
340
341     /*  fill LvPictureInfoVC1 struct */
342     render->info.vc1.frame_coding_mode  = v->fcm ? v->fcm + 1 : 0;
343     render->info.vc1.postprocflag       = v->postprocflag;
344     render->info.vc1.pulldown           = v->broadcast;
345     render->info.vc1.interlace          = v->interlace;
346     render->info.vc1.tfcntrflag         = v->tfcntrflag;
347     render->info.vc1.finterpflag        = v->finterpflag;
348     render->info.vc1.psf                = v->psf;
349     render->info.vc1.dquant             = v->dquant;
350     render->info.vc1.panscan_flag       = v->panscanflag;
351     render->info.vc1.refdist_flag       = v->refdist_flag;
352     render->info.vc1.quantizer          = v->quantizer_mode;
353     render->info.vc1.extended_mv        = v->extended_mv;
354     render->info.vc1.extended_dmv       = v->extended_dmv;
355     render->info.vc1.overlap            = v->overlap;
356     render->info.vc1.vstransform        = v->vstransform;
357     render->info.vc1.loopfilter         = v->s.loop_filter;
358     render->info.vc1.fastuvmc           = v->fastuvmc;
359     render->info.vc1.range_mapy_flag    = v->range_mapy_flag;
360     render->info.vc1.range_mapy         = v->range_mapy;
361     render->info.vc1.range_mapuv_flag   = v->range_mapuv_flag;
362     render->info.vc1.range_mapuv        = v->range_mapuv;
363     /* Specific to simple/main profile only */
364     render->info.vc1.multires           = v->multires;
365     render->info.vc1.syncmarker         = v->resync_marker;
366     render->info.vc1.rangered           = v->rangered | (v->rangeredfrm << 1);
367     render->info.vc1.maxbframes         = v->s.max_b_frames;
368
369     render->info.vc1.deblockEnable      = v->postprocflag & 1;
370     render->info.vc1.pquant             = v->pq;
371
372     render->info.vc1.forward_reference  = VDP_INVALID_HANDLE;
373     render->info.vc1.backward_reference = VDP_INVALID_HANDLE;
374
375     if (v->bi_type)
376         render->info.vc1.picture_type = 4;
377     else
378         render->info.vc1.picture_type = s->pict_type - 1 + s->pict_type / 3;
379
380     switch(s->pict_type){
381     case  AV_PICTURE_TYPE_B:
382         next = (struct vdpau_render_state *)s->next_picture.f.data[0];
383         assert(next);
384         render->info.vc1.backward_reference = next->surface;
385         // no break here, going to set forward prediction
386     case  AV_PICTURE_TYPE_P:
387         last = (struct vdpau_render_state *)s->last_picture.f.data[0];
388         if (!last) // FIXME: Does this test make sense?
389             last = render; // predict second field from the first
390         render->info.vc1.forward_reference = last->surface;
391     }
392
393     ff_vdpau_add_data_chunk(s->current_picture_ptr->f.data[0], buf, buf_size);
394
395     render->info.vc1.slice_count          = 1;
396
397     ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
398     render->bitstream_buffers_used        = 0;
399 }
400 #endif /* (CONFIG_VC1_VDPAU_DECODER */
401
402 #if CONFIG_MPEG4_VDPAU_DECODER
403 void ff_vdpau_mpeg4_decode_picture(Mpeg4DecContext *ctx, const uint8_t *buf,
404                                    int buf_size)
405 {
406     MpegEncContext *s = &ctx->m;
407     struct vdpau_render_state *render, *last, *next;
408     int i;
409
410     if (!s->current_picture_ptr) return;
411
412     render = (struct vdpau_render_state *)s->current_picture_ptr->f.data[0];
413     assert(render);
414
415     /* fill VdpPictureInfoMPEG4Part2 struct */
416     render->info.mpeg4.trd[0]                            = s->pp_time;
417     render->info.mpeg4.trb[0]                            = s->pb_time;
418     render->info.mpeg4.trd[1]                            = s->pp_field_time >> 1;
419     render->info.mpeg4.trb[1]                            = s->pb_field_time >> 1;
420     render->info.mpeg4.vop_time_increment_resolution     = s->avctx->time_base.den;
421     render->info.mpeg4.vop_coding_type                   = 0;
422     render->info.mpeg4.vop_fcode_forward                 = s->f_code;
423     render->info.mpeg4.vop_fcode_backward                = s->b_code;
424     render->info.mpeg4.resync_marker_disable             = !ctx->resync_marker;
425     render->info.mpeg4.interlaced                        = !s->progressive_sequence;
426     render->info.mpeg4.quant_type                        = s->mpeg_quant;
427     render->info.mpeg4.quarter_sample                    = s->quarter_sample;
428     render->info.mpeg4.short_video_header                = s->avctx->codec->id == AV_CODEC_ID_H263;
429     render->info.mpeg4.rounding_control                  = s->no_rounding;
430     render->info.mpeg4.alternate_vertical_scan_flag      = s->alternate_scan;
431     render->info.mpeg4.top_field_first                   = s->top_field_first;
432     for (i = 0; i < 64; ++i) {
433         render->info.mpeg4.intra_quantizer_matrix[i]     = s->intra_matrix[i];
434         render->info.mpeg4.non_intra_quantizer_matrix[i] = s->inter_matrix[i];
435     }
436     render->info.mpeg4.forward_reference                 = VDP_INVALID_HANDLE;
437     render->info.mpeg4.backward_reference                = VDP_INVALID_HANDLE;
438
439     switch (s->pict_type) {
440     case AV_PICTURE_TYPE_B:
441         next = (struct vdpau_render_state *)s->next_picture.f.data[0];
442         assert(next);
443         render->info.mpeg4.backward_reference     = next->surface;
444         render->info.mpeg4.vop_coding_type        = 2;
445         // no break here, going to set forward prediction
446     case AV_PICTURE_TYPE_P:
447         last = (struct vdpau_render_state *)s->last_picture.f.data[0];
448         assert(last);
449         render->info.mpeg4.forward_reference      = last->surface;
450     }
451
452     ff_vdpau_add_data_chunk(s->current_picture_ptr->f.data[0], buf, buf_size);
453
454     ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
455     render->bitstream_buffers_used = 0;
456 }
457 #endif /* CONFIG_MPEG4_VDPAU_DECODER */
458
459 int av_vdpau_get_profile(AVCodecContext *avctx, VdpDecoderProfile *profile)
460 {
461 #define PROFILE(prof)       \
462 do {                        \
463     *profile = prof;        \
464     return 0;               \
465 } while (0)
466
467     switch (avctx->codec_id) {
468     case AV_CODEC_ID_MPEG1VIDEO:               PROFILE(VDP_DECODER_PROFILE_MPEG1);
469     case AV_CODEC_ID_MPEG2VIDEO:
470         switch (avctx->profile) {
471         case FF_PROFILE_MPEG2_MAIN:            PROFILE(VDP_DECODER_PROFILE_MPEG2_MAIN);
472         case FF_PROFILE_MPEG2_SIMPLE:          PROFILE(VDP_DECODER_PROFILE_MPEG2_SIMPLE);
473         default:                               return AVERROR(EINVAL);
474         }
475     case AV_CODEC_ID_H263:                     PROFILE(VDP_DECODER_PROFILE_MPEG4_PART2_ASP);
476     case AV_CODEC_ID_MPEG4:
477         switch (avctx->profile) {
478         case FF_PROFILE_MPEG4_SIMPLE:          PROFILE(VDP_DECODER_PROFILE_MPEG4_PART2_SP);
479         case FF_PROFILE_MPEG4_ADVANCED_SIMPLE: PROFILE(VDP_DECODER_PROFILE_MPEG4_PART2_ASP);
480         default:                               return AVERROR(EINVAL);
481         }
482     case AV_CODEC_ID_H264:
483         switch (avctx->profile) {
484         case FF_PROFILE_H264_CONSTRAINED_BASELINE:
485         case FF_PROFILE_H264_BASELINE:         PROFILE(VDP_DECODER_PROFILE_H264_BASELINE);
486         case FF_PROFILE_H264_MAIN:             PROFILE(VDP_DECODER_PROFILE_H264_MAIN);
487         case FF_PROFILE_H264_HIGH:             PROFILE(VDP_DECODER_PROFILE_H264_HIGH);
488         default:                               return AVERROR(EINVAL);
489         }
490     case AV_CODEC_ID_WMV3:
491     case AV_CODEC_ID_VC1:
492         switch (avctx->profile) {
493         case FF_PROFILE_VC1_SIMPLE:            PROFILE(VDP_DECODER_PROFILE_VC1_SIMPLE);
494         case FF_PROFILE_VC1_MAIN:              PROFILE(VDP_DECODER_PROFILE_VC1_MAIN);
495         case FF_PROFILE_VC1_ADVANCED:          PROFILE(VDP_DECODER_PROFILE_VC1_ADVANCED);
496         default:                               return AVERROR(EINVAL);
497         }
498     }
499     return AVERROR(EINVAL);
500 }
501
502 AVVDPAUContext *av_vdpau_alloc_context(void)
503 {
504     return av_mallocz(sizeof(AVVDPAUContext));
505 }
506
507 /* @}*/