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 
av_alloc_vdpaucontext(void)41 AVVDPAUContext *av_alloc_vdpaucontext(void)
42 {
43     return av_vdpau_alloc_context();
44 }
45 
MAKE_ACCESSORS(AVVDPAUContext,vdpau_hwaccel,AVVDPAU_Render2,render2)46 MAKE_ACCESSORS(AVVDPAUContext, vdpau_hwaccel, AVVDPAU_Render2, render2)
47 
48 int ff_vdpau_common_start_frame(struct vdpau_picture_context *pic_ctx,
49                                 av_unused const uint8_t *buffer,
50                                 av_unused uint32_t size)
51 {
52     pic_ctx->bitstream_buffers_allocated = 0;
53     pic_ctx->bitstream_buffers_used      = 0;
54     pic_ctx->bitstream_buffers           = NULL;
55     return 0;
56 }
57 
58 #if CONFIG_H263_VDPAU_HWACCEL  || CONFIG_MPEG1_VDPAU_HWACCEL || \
59     CONFIG_MPEG2_VDPAU_HWACCEL || CONFIG_MPEG4_VDPAU_HWACCEL || \
60     CONFIG_VC1_VDPAU_HWACCEL   || CONFIG_WMV3_VDPAU_HWACCEL
ff_vdpau_mpeg_end_frame(AVCodecContext * avctx)61 int ff_vdpau_mpeg_end_frame(AVCodecContext *avctx)
62 {
63     int res = 0;
64     AVVDPAUContext *hwctx = avctx->hwaccel_context;
65     MpegEncContext *s = avctx->priv_data;
66     Picture *pic = s->current_picture_ptr;
67     struct vdpau_picture_context *pic_ctx = pic->hwaccel_picture_private;
68     VdpVideoSurface surf = ff_vdpau_get_surface_id(pic->f);
69 
70 #if FF_API_BUFS_VDPAU
71 FF_DISABLE_DEPRECATION_WARNINGS
72     hwctx->info = pic_ctx->info;
73     hwctx->bitstream_buffers = pic_ctx->bitstream_buffers;
74     hwctx->bitstream_buffers_used = pic_ctx->bitstream_buffers_used;
75     hwctx->bitstream_buffers_allocated = pic_ctx->bitstream_buffers_allocated;
76 FF_ENABLE_DEPRECATION_WARNINGS
77 #endif
78 
79     if (!hwctx->render) {
80         res = hwctx->render2(avctx, pic->f, (void *)&pic_ctx->info,
81                              pic_ctx->bitstream_buffers_used, pic_ctx->bitstream_buffers);
82     } else
83     hwctx->render(hwctx->decoder, surf, (void *)&pic_ctx->info,
84                   pic_ctx->bitstream_buffers_used, pic_ctx->bitstream_buffers);
85 
86     ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
87     av_freep(&pic_ctx->bitstream_buffers);
88 
89 #if FF_API_BUFS_VDPAU
90 FF_DISABLE_DEPRECATION_WARNINGS
91     hwctx->bitstream_buffers = NULL;
92     hwctx->bitstream_buffers_used = 0;
93     hwctx->bitstream_buffers_allocated = 0;
94 FF_ENABLE_DEPRECATION_WARNINGS
95 #endif
96 
97     return res;
98 }
99 #endif
100 
ff_vdpau_add_buffer(struct vdpau_picture_context * pic_ctx,const uint8_t * buf,uint32_t size)101 int ff_vdpau_add_buffer(struct vdpau_picture_context *pic_ctx,
102                         const uint8_t *buf, uint32_t size)
103 {
104     VdpBitstreamBuffer *buffers = pic_ctx->bitstream_buffers;
105 
106     buffers = av_fast_realloc(buffers, &pic_ctx->bitstream_buffers_allocated,
107                               (pic_ctx->bitstream_buffers_used + 1) * sizeof(*buffers));
108     if (!buffers)
109         return AVERROR(ENOMEM);
110 
111     pic_ctx->bitstream_buffers = buffers;
112     buffers += pic_ctx->bitstream_buffers_used++;
113 
114     buffers->struct_version  = VDP_BITSTREAM_BUFFER_VERSION;
115     buffers->bitstream       = buf;
116     buffers->bitstream_bytes = size;
117     return 0;
118 }
119 
120 /* Obsolete non-hwaccel VDPAU support below... */
121 
ff_vdpau_h264_set_reference_frames(H264Context * h)122 void ff_vdpau_h264_set_reference_frames(H264Context *h)
123 {
124     struct vdpau_render_state *render, *render_ref;
125     VdpReferenceFrameH264 *rf, *rf2;
126     H264Picture *pic;
127     int i, list, pic_frame_idx;
128 
129     render = (struct vdpau_render_state *)h->cur_pic_ptr->f.data[0];
130     assert(render);
131 
132     rf = &render->info.h264.referenceFrames[0];
133 #define H264_RF_COUNT FF_ARRAY_ELEMS(render->info.h264.referenceFrames)
134 
135     for (list = 0; list < 2; ++list) {
136         H264Picture **lp = list ? h->long_ref : h->short_ref;
137         int ls = list ? 16 : h->short_ref_count;
138 
139         for (i = 0; i < ls; ++i) {
140             pic = lp[i];
141             if (!pic || !pic->reference)
142                 continue;
143             pic_frame_idx = pic->long_ref ? pic->pic_id : pic->frame_num;
144 
145             render_ref = (struct vdpau_render_state *)pic->f.data[0];
146             assert(render_ref);
147 
148             rf2 = &render->info.h264.referenceFrames[0];
149             while (rf2 != rf) {
150                 if (
151                     (rf2->surface == render_ref->surface)
152                     && (rf2->is_long_term == pic->long_ref)
153                     && (rf2->frame_idx == pic_frame_idx)
154                 )
155                     break;
156                 ++rf2;
157             }
158             if (rf2 != rf) {
159                 rf2->top_is_reference    |= (pic->reference & PICT_TOP_FIELD)    ? VDP_TRUE : VDP_FALSE;
160                 rf2->bottom_is_reference |= (pic->reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE;
161                 continue;
162             }
163 
164             if (rf >= &render->info.h264.referenceFrames[H264_RF_COUNT])
165                 continue;
166 
167             rf->surface             = render_ref->surface;
168             rf->is_long_term        = pic->long_ref;
169             rf->top_is_reference    = (pic->reference & PICT_TOP_FIELD)    ? VDP_TRUE : VDP_FALSE;
170             rf->bottom_is_reference = (pic->reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE;
171             rf->field_order_cnt[0]  = pic->field_poc[0];
172             rf->field_order_cnt[1]  = pic->field_poc[1];
173             rf->frame_idx           = pic_frame_idx;
174 
175             ++rf;
176         }
177     }
178 
179     for (; rf < &render->info.h264.referenceFrames[H264_RF_COUNT]; ++rf) {
180         rf->surface             = VDP_INVALID_HANDLE;
181         rf->is_long_term        = 0;
182         rf->top_is_reference    = 0;
183         rf->bottom_is_reference = 0;
184         rf->field_order_cnt[0]  = 0;
185         rf->field_order_cnt[1]  = 0;
186         rf->frame_idx           = 0;
187     }
188 }
189 
ff_vdpau_add_data_chunk(uint8_t * data,const uint8_t * buf,int buf_size)190 void ff_vdpau_add_data_chunk(uint8_t *data, const uint8_t *buf, int buf_size)
191 {
192     struct vdpau_render_state *render = (struct vdpau_render_state*)data;
193     assert(render);
194 
195     render->bitstream_buffers= av_fast_realloc(
196         render->bitstream_buffers,
197         &render->bitstream_buffers_allocated,
198         sizeof(*render->bitstream_buffers)*(render->bitstream_buffers_used + 1)
199     );
200 
201     render->bitstream_buffers[render->bitstream_buffers_used].struct_version  = VDP_BITSTREAM_BUFFER_VERSION;
202     render->bitstream_buffers[render->bitstream_buffers_used].bitstream       = buf;
203     render->bitstream_buffers[render->bitstream_buffers_used].bitstream_bytes = buf_size;
204     render->bitstream_buffers_used++;
205 }
206 
207 #if CONFIG_H264_VDPAU_DECODER
ff_vdpau_h264_picture_start(H264Context * h)208 void ff_vdpau_h264_picture_start(H264Context *h)
209 {
210     struct vdpau_render_state *render;
211     int i;
212 
213     render = (struct vdpau_render_state *)h->cur_pic_ptr->f.data[0];
214     assert(render);
215 
216     for (i = 0; i < 2; ++i) {
217         int foc = h->cur_pic_ptr->field_poc[i];
218         if (foc == INT_MAX)
219             foc = 0;
220         render->info.h264.field_order_cnt[i] = foc;
221     }
222 
223     render->info.h264.frame_num = h->frame_num;
224 }
225 
ff_vdpau_h264_picture_complete(H264Context * h)226 void ff_vdpau_h264_picture_complete(H264Context *h)
227 {
228     struct vdpau_render_state *render;
229 
230     render = (struct vdpau_render_state *)h->cur_pic_ptr->f.data[0];
231     assert(render);
232 
233     render->info.h264.slice_count = h->slice_num;
234     if (render->info.h264.slice_count < 1)
235         return;
236 
237     render->info.h264.is_reference                           = (h->cur_pic_ptr->reference & 3) ? VDP_TRUE : VDP_FALSE;
238     render->info.h264.field_pic_flag                         = h->picture_structure != PICT_FRAME;
239     render->info.h264.bottom_field_flag                      = h->picture_structure == PICT_BOTTOM_FIELD;
240     render->info.h264.num_ref_frames                         = h->sps.ref_frame_count;
241     render->info.h264.mb_adaptive_frame_field_flag           = h->sps.mb_aff && !render->info.h264.field_pic_flag;
242     render->info.h264.constrained_intra_pred_flag            = h->pps.constrained_intra_pred;
243     render->info.h264.weighted_pred_flag                     = h->pps.weighted_pred;
244     render->info.h264.weighted_bipred_idc                    = h->pps.weighted_bipred_idc;
245     render->info.h264.frame_mbs_only_flag                    = h->sps.frame_mbs_only_flag;
246     render->info.h264.transform_8x8_mode_flag                = h->pps.transform_8x8_mode;
247     render->info.h264.chroma_qp_index_offset                 = h->pps.chroma_qp_index_offset[0];
248     render->info.h264.second_chroma_qp_index_offset          = h->pps.chroma_qp_index_offset[1];
249     render->info.h264.pic_init_qp_minus26                    = h->pps.init_qp - 26;
250     render->info.h264.num_ref_idx_l0_active_minus1           = h->pps.ref_count[0] - 1;
251     render->info.h264.num_ref_idx_l1_active_minus1           = h->pps.ref_count[1] - 1;
252     render->info.h264.log2_max_frame_num_minus4              = h->sps.log2_max_frame_num - 4;
253     render->info.h264.pic_order_cnt_type                     = h->sps.poc_type;
254     render->info.h264.log2_max_pic_order_cnt_lsb_minus4      = h->sps.poc_type ? 0 : h->sps.log2_max_poc_lsb - 4;
255     render->info.h264.delta_pic_order_always_zero_flag       = h->sps.delta_pic_order_always_zero_flag;
256     render->info.h264.direct_8x8_inference_flag              = h->sps.direct_8x8_inference_flag;
257     render->info.h264.entropy_coding_mode_flag               = h->pps.cabac;
258     render->info.h264.pic_order_present_flag                 = h->pps.pic_order_present;
259     render->info.h264.deblocking_filter_control_present_flag = h->pps.deblocking_filter_parameters_present;
260     render->info.h264.redundant_pic_cnt_present_flag         = h->pps.redundant_pic_cnt_present;
261     memcpy(render->info.h264.scaling_lists_4x4, h->pps.scaling_matrix4, sizeof(render->info.h264.scaling_lists_4x4));
262     memcpy(render->info.h264.scaling_lists_8x8[0], h->pps.scaling_matrix8[0], sizeof(render->info.h264.scaling_lists_8x8[0]));
263     memcpy(render->info.h264.scaling_lists_8x8[1], h->pps.scaling_matrix8[3], sizeof(render->info.h264.scaling_lists_8x8[0]));
264 
265     ff_h264_draw_horiz_band(h, 0, h->avctx->height);
266     render->bitstream_buffers_used = 0;
267 }
268 #endif /* CONFIG_H264_VDPAU_DECODER */
269 
270 #if CONFIG_MPEG_VDPAU_DECODER || CONFIG_MPEG1_VDPAU_DECODER
ff_vdpau_mpeg_picture_complete(MpegEncContext * s,const uint8_t * buf,int buf_size,int slice_count)271 void ff_vdpau_mpeg_picture_complete(MpegEncContext *s, const uint8_t *buf,
272                                     int buf_size, int slice_count)
273 {
274     struct vdpau_render_state *render, *last, *next;
275     int i;
276 
277     if (!s->current_picture_ptr) return;
278 
279     render = (struct vdpau_render_state *)s->current_picture_ptr->f->data[0];
280     assert(render);
281 
282     /* fill VdpPictureInfoMPEG1Or2 struct */
283     render->info.mpeg.picture_structure          = s->picture_structure;
284     render->info.mpeg.picture_coding_type        = s->pict_type;
285     render->info.mpeg.intra_dc_precision         = s->intra_dc_precision;
286     render->info.mpeg.frame_pred_frame_dct       = s->frame_pred_frame_dct;
287     render->info.mpeg.concealment_motion_vectors = s->concealment_motion_vectors;
288     render->info.mpeg.intra_vlc_format           = s->intra_vlc_format;
289     render->info.mpeg.alternate_scan             = s->alternate_scan;
290     render->info.mpeg.q_scale_type               = s->q_scale_type;
291     render->info.mpeg.top_field_first            = s->top_field_first;
292     render->info.mpeg.full_pel_forward_vector    = s->full_pel[0]; // MPEG-1 only.  Set 0 for MPEG-2
293     render->info.mpeg.full_pel_backward_vector   = s->full_pel[1]; // MPEG-1 only.  Set 0 for MPEG-2
294     render->info.mpeg.f_code[0][0]               = s->mpeg_f_code[0][0]; // For MPEG-1 fill both horiz. & vert.
295     render->info.mpeg.f_code[0][1]               = s->mpeg_f_code[0][1];
296     render->info.mpeg.f_code[1][0]               = s->mpeg_f_code[1][0];
297     render->info.mpeg.f_code[1][1]               = s->mpeg_f_code[1][1];
298     for (i = 0; i < 64; ++i) {
299         render->info.mpeg.intra_quantizer_matrix[i]     = s->intra_matrix[i];
300         render->info.mpeg.non_intra_quantizer_matrix[i] = s->inter_matrix[i];
301     }
302 
303     render->info.mpeg.forward_reference          = VDP_INVALID_HANDLE;
304     render->info.mpeg.backward_reference         = VDP_INVALID_HANDLE;
305 
306     switch(s->pict_type){
307     case  AV_PICTURE_TYPE_B:
308         next = (struct vdpau_render_state *)s->next_picture.f->data[0];
309         assert(next);
310         render->info.mpeg.backward_reference     = next->surface;
311         // no return here, going to set forward prediction
312     case  AV_PICTURE_TYPE_P:
313         last = (struct vdpau_render_state *)s->last_picture.f->data[0];
314         if (!last) // FIXME: Does this test make sense?
315             last = render; // predict second field from the first
316         render->info.mpeg.forward_reference      = last->surface;
317     }
318 
319     ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
320 
321     render->info.mpeg.slice_count                = slice_count;
322 
323     if (slice_count)
324         ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
325     render->bitstream_buffers_used               = 0;
326 }
327 #endif /* CONFIG_MPEG_VDPAU_DECODER || CONFIG_MPEG1_VDPAU_DECODER */
328 
329 #if CONFIG_VC1_VDPAU_DECODER
ff_vdpau_vc1_decode_picture(MpegEncContext * s,const uint8_t * buf,int buf_size)330 void ff_vdpau_vc1_decode_picture(MpegEncContext *s, const uint8_t *buf,
331                                  int buf_size)
332 {
333     VC1Context *v = s->avctx->priv_data;
334     struct vdpau_render_state *render, *last, *next;
335 
336     render = (struct vdpau_render_state *)s->current_picture.f->data[0];
337     assert(render);
338 
339     /*  fill LvPictureInfoVC1 struct */
340     render->info.vc1.frame_coding_mode  = v->fcm ? v->fcm + 1 : 0;
341     render->info.vc1.postprocflag       = v->postprocflag;
342     render->info.vc1.pulldown           = v->broadcast;
343     render->info.vc1.interlace          = v->interlace;
344     render->info.vc1.tfcntrflag         = v->tfcntrflag;
345     render->info.vc1.finterpflag        = v->finterpflag;
346     render->info.vc1.psf                = v->psf;
347     render->info.vc1.dquant             = v->dquant;
348     render->info.vc1.panscan_flag       = v->panscanflag;
349     render->info.vc1.refdist_flag       = v->refdist_flag;
350     render->info.vc1.quantizer          = v->quantizer_mode;
351     render->info.vc1.extended_mv        = v->extended_mv;
352     render->info.vc1.extended_dmv       = v->extended_dmv;
353     render->info.vc1.overlap            = v->overlap;
354     render->info.vc1.vstransform        = v->vstransform;
355     render->info.vc1.loopfilter         = v->s.loop_filter;
356     render->info.vc1.fastuvmc           = v->fastuvmc;
357     render->info.vc1.range_mapy_flag    = v->range_mapy_flag;
358     render->info.vc1.range_mapy         = v->range_mapy;
359     render->info.vc1.range_mapuv_flag   = v->range_mapuv_flag;
360     render->info.vc1.range_mapuv        = v->range_mapuv;
361     /* Specific to simple/main profile only */
362     render->info.vc1.multires           = v->multires;
363     render->info.vc1.syncmarker         = v->resync_marker;
364     render->info.vc1.rangered           = v->rangered | (v->rangeredfrm << 1);
365     render->info.vc1.maxbframes         = v->s.max_b_frames;
366 
367     render->info.vc1.deblockEnable      = v->postprocflag & 1;
368     render->info.vc1.pquant             = v->pq;
369 
370     render->info.vc1.forward_reference  = VDP_INVALID_HANDLE;
371     render->info.vc1.backward_reference = VDP_INVALID_HANDLE;
372 
373     if (v->bi_type)
374         render->info.vc1.picture_type = 4;
375     else
376         render->info.vc1.picture_type = s->pict_type - 1 + s->pict_type / 3;
377 
378     switch(s->pict_type){
379     case  AV_PICTURE_TYPE_B:
380         next = (struct vdpau_render_state *)s->next_picture.f->data[0];
381         assert(next);
382         render->info.vc1.backward_reference = next->surface;
383         // no break here, going to set forward prediction
384     case  AV_PICTURE_TYPE_P:
385         last = (struct vdpau_render_state *)s->last_picture.f->data[0];
386         if (!last) // FIXME: Does this test make sense?
387             last = render; // predict second field from the first
388         render->info.vc1.forward_reference = last->surface;
389     }
390 
391     ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
392 
393     render->info.vc1.slice_count          = 1;
394 
395     ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
396     render->bitstream_buffers_used        = 0;
397 }
398 #endif /* (CONFIG_VC1_VDPAU_DECODER */
399 
400 #if CONFIG_MPEG4_VDPAU_DECODER
ff_vdpau_mpeg4_decode_picture(Mpeg4DecContext * ctx,const uint8_t * buf,int buf_size)401 void ff_vdpau_mpeg4_decode_picture(Mpeg4DecContext *ctx, const uint8_t *buf,
402                                    int buf_size)
403 {
404     MpegEncContext *s = &ctx->m;
405     struct vdpau_render_state *render, *last, *next;
406     int i;
407 
408     if (!s->current_picture_ptr) return;
409 
410     render = (struct vdpau_render_state *)s->current_picture_ptr->f->data[0];
411     assert(render);
412 
413     /* fill VdpPictureInfoMPEG4Part2 struct */
414     render->info.mpeg4.trd[0]                            = s->pp_time;
415     render->info.mpeg4.trb[0]                            = s->pb_time;
416     render->info.mpeg4.trd[1]                            = s->pp_field_time >> 1;
417     render->info.mpeg4.trb[1]                            = s->pb_field_time >> 1;
418     render->info.mpeg4.vop_time_increment_resolution     = s->avctx->time_base.den;
419     render->info.mpeg4.vop_coding_type                   = 0;
420     render->info.mpeg4.vop_fcode_forward                 = s->f_code;
421     render->info.mpeg4.vop_fcode_backward                = s->b_code;
422     render->info.mpeg4.resync_marker_disable             = !ctx->resync_marker;
423     render->info.mpeg4.interlaced                        = !s->progressive_sequence;
424     render->info.mpeg4.quant_type                        = s->mpeg_quant;
425     render->info.mpeg4.quarter_sample                    = s->quarter_sample;
426     render->info.mpeg4.short_video_header                = s->avctx->codec->id == AV_CODEC_ID_H263;
427     render->info.mpeg4.rounding_control                  = s->no_rounding;
428     render->info.mpeg4.alternate_vertical_scan_flag      = s->alternate_scan;
429     render->info.mpeg4.top_field_first                   = s->top_field_first;
430     for (i = 0; i < 64; ++i) {
431         render->info.mpeg4.intra_quantizer_matrix[i]     = s->intra_matrix[i];
432         render->info.mpeg4.non_intra_quantizer_matrix[i] = s->inter_matrix[i];
433     }
434     render->info.mpeg4.forward_reference                 = VDP_INVALID_HANDLE;
435     render->info.mpeg4.backward_reference                = VDP_INVALID_HANDLE;
436 
437     switch (s->pict_type) {
438     case AV_PICTURE_TYPE_B:
439         next = (struct vdpau_render_state *)s->next_picture.f->data[0];
440         assert(next);
441         render->info.mpeg4.backward_reference     = next->surface;
442         render->info.mpeg4.vop_coding_type        = 2;
443         // no break here, going to set forward prediction
444     case AV_PICTURE_TYPE_P:
445         last = (struct vdpau_render_state *)s->last_picture.f->data[0];
446         assert(last);
447         render->info.mpeg4.forward_reference      = last->surface;
448     }
449 
450     ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
451 
452     ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
453     render->bitstream_buffers_used = 0;
454 }
455 #endif /* CONFIG_MPEG4_VDPAU_DECODER */
456 
av_vdpau_get_profile(AVCodecContext * avctx,VdpDecoderProfile * profile)457 int av_vdpau_get_profile(AVCodecContext *avctx, VdpDecoderProfile *profile)
458 {
459 #define PROFILE(prof)       \
460 do {                        \
461     *profile = prof;        \
462     return 0;               \
463 } while (0)
464 
465     switch (avctx->codec_id) {
466     case AV_CODEC_ID_MPEG1VIDEO:               PROFILE(VDP_DECODER_PROFILE_MPEG1);
467     case AV_CODEC_ID_MPEG2VIDEO:
468         switch (avctx->profile) {
469         case FF_PROFILE_MPEG2_MAIN:            PROFILE(VDP_DECODER_PROFILE_MPEG2_MAIN);
470         case FF_PROFILE_MPEG2_SIMPLE:          PROFILE(VDP_DECODER_PROFILE_MPEG2_SIMPLE);
471         default:                               return AVERROR(EINVAL);
472         }
473     case AV_CODEC_ID_H263:                     PROFILE(VDP_DECODER_PROFILE_MPEG4_PART2_ASP);
474     case AV_CODEC_ID_MPEG4:
475         switch (avctx->profile) {
476         case FF_PROFILE_MPEG4_SIMPLE:          PROFILE(VDP_DECODER_PROFILE_MPEG4_PART2_SP);
477         case FF_PROFILE_MPEG4_ADVANCED_SIMPLE: PROFILE(VDP_DECODER_PROFILE_MPEG4_PART2_ASP);
478         default:                               return AVERROR(EINVAL);
479         }
480     case AV_CODEC_ID_H264:
481         switch (avctx->profile & ~FF_PROFILE_H264_INTRA) {
482         case FF_PROFILE_H264_CONSTRAINED_BASELINE:
483         case FF_PROFILE_H264_BASELINE:         PROFILE(VDP_DECODER_PROFILE_H264_BASELINE);
484         case FF_PROFILE_H264_MAIN:             PROFILE(VDP_DECODER_PROFILE_H264_MAIN);
485         case FF_PROFILE_H264_HIGH:             PROFILE(VDP_DECODER_PROFILE_H264_HIGH);
486         default:                               return AVERROR(EINVAL);
487         }
488     case AV_CODEC_ID_WMV3:
489     case AV_CODEC_ID_VC1:
490         switch (avctx->profile) {
491         case FF_PROFILE_VC1_SIMPLE:            PROFILE(VDP_DECODER_PROFILE_VC1_SIMPLE);
492         case FF_PROFILE_VC1_MAIN:              PROFILE(VDP_DECODER_PROFILE_VC1_MAIN);
493         case FF_PROFILE_VC1_ADVANCED:          PROFILE(VDP_DECODER_PROFILE_VC1_ADVANCED);
494         default:                               return AVERROR(EINVAL);
495         }
496     }
497     return AVERROR(EINVAL);
498 }
499 
av_vdpau_alloc_context(void)500 AVVDPAUContext *av_vdpau_alloc_context(void)
501 {
502     return av_mallocz(sizeof(AVVDPAUContext));
503 }
504 
505 /* @}*/
506