git.sesse.net Git - ffmpeg/blob - 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 /* @}*/