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 "libavutil/avassert.h"
  26 #include "avcodec.h"
  27 #include "internal.h"
  28 #include "h264.h"
  29 #include "vc1.h"
  30
  31 #undef NDEBUG
  32 #include <assert.h>
  33
  34 #include "vdpau.h"
  35 #include "vdpau_internal.h"
  36
  37 /**
  38  * @addtogroup VDPAU_Decoding
  39  *
  40  * @{
  41  */
  42
  43 static int vdpau_error(VdpStatus status)
  44 {
  45     switch (status) {
  46     case VDP_STATUS_OK:
  47         return 0;
  48     case VDP_STATUS_NO_IMPLEMENTATION:
  49         return AVERROR(ENOSYS);
  50     case VDP_STATUS_DISPLAY_PREEMPTED:
  51         return AVERROR(EIO);
  52     case VDP_STATUS_INVALID_HANDLE:
  53         return AVERROR(EBADF);
  54     case VDP_STATUS_INVALID_POINTER:
  55         return AVERROR(EFAULT);
  56     case VDP_STATUS_RESOURCES:
  57         return AVERROR(ENOBUFS);
  58     case VDP_STATUS_HANDLE_DEVICE_MISMATCH:
  59         return AVERROR(EXDEV);
  60     case VDP_STATUS_ERROR:
  61         return AVERROR(EIO);
  62     default:
  63         return AVERROR(EINVAL);
  64     }
  65 }
  66
  67 AVVDPAUContext *av_alloc_vdpaucontext(void)
  68 {
  69     return av_vdpau_alloc_context();
  70 }
  71
  72 MAKE_ACCESSORS(AVVDPAUContext, vdpau_hwaccel, AVVDPAU_Render2, render2)
  73
  74 int ff_vdpau_common_init(AVCodecContext *avctx, VdpDecoderProfile profile,
  75                          int level)
  76 {
  77     VDPAUHWContext *hwctx = avctx->hwaccel_context;
  78     VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
  79     VdpDecoderCreate *create;
  80     void *func;
  81     VdpStatus status;
  82     /* See vdpau/vdpau.h for alignment constraints. */
  83     uint32_t width  = (avctx->coded_width + 1) & ~1;
  84     uint32_t height = (avctx->coded_height + 3) & ~3;
  85
  86     if (hwctx->context.decoder != VDP_INVALID_HANDLE) {
  87         vdctx->decoder = hwctx->context.decoder;
  88         vdctx->render  = hwctx->context.render;
  89         vdctx->device  = VDP_INVALID_HANDLE;
  90         return 0; /* Decoder created by user */
  91     }
  92
  93     vdctx->device           = hwctx->device;
  94     vdctx->get_proc_address = hwctx->get_proc_address;
  95
  96     status = vdctx->get_proc_address(vdctx->device, VDP_FUNC_ID_DECODER_CREATE,
  97                                      &func);
  98     if (status != VDP_STATUS_OK)
  99         return vdpau_error(status);
 100     else
 101         create = func;
 102
 103     status = vdctx->get_proc_address(vdctx->device, VDP_FUNC_ID_DECODER_RENDER,
 104                                      &func);
 105     if (status != VDP_STATUS_OK)
 106         return vdpau_error(status);
 107     else
 108         vdctx->render = func;
 109
 110     status = create(vdctx->device, profile, width, height, avctx->refs,
 111                     &vdctx->decoder);
 112     return vdpau_error(status);
 113 }
 114
 115 int ff_vdpau_common_uninit(AVCodecContext *avctx)
 116 {
 117     VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
 118     VdpDecoderDestroy *destroy;
 119     void *func;
 120     VdpStatus status;
 121
 122     if (vdctx->device == VDP_INVALID_HANDLE)
 123         return 0; /* Decoder created and destroyed by user */
 124
 125     status = vdctx->get_proc_address(vdctx->device,
 126                                      VDP_FUNC_ID_DECODER_DESTROY, &func);
 127     if (status != VDP_STATUS_OK)
 128         return vdpau_error(status);
 129     else
 130         destroy = func;
 131
 132     status = destroy(vdctx->decoder);
 133     return vdpau_error(status);
 134 }
 135
 136 int ff_vdpau_common_start_frame(struct vdpau_picture_context *pic_ctx,
 137                                 av_unused const uint8_t *buffer,
 138                                 av_unused uint32_t size)
 139 {
 140     pic_ctx->bitstream_buffers_allocated = 0;
 141     pic_ctx->bitstream_buffers_used      = 0;
 142     pic_ctx->bitstream_buffers           = NULL;
 143     return 0;
 144 }
 145
 146 int ff_vdpau_common_end_frame(AVCodecContext *avctx, AVFrame *frame,
 147                               struct vdpau_picture_context *pic_ctx)
 148 {
 149     VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
 150     AVVDPAUContext *hwctx = avctx->hwaccel_context;
 151     VdpVideoSurface surf = ff_vdpau_get_surface_id(frame);
 152     VdpStatus status;
 153
 154 #if FF_API_BUFS_VDPAU
 155 FF_DISABLE_DEPRECATION_WARNINGS
 156     hwctx->info = pic_ctx->info;
 157     hwctx->bitstream_buffers = pic_ctx->bitstream_buffers;
 158     hwctx->bitstream_buffers_used = pic_ctx->bitstream_buffers_used;
 159     hwctx->bitstream_buffers_allocated = pic_ctx->bitstream_buffers_allocated;
 160 FF_ENABLE_DEPRECATION_WARNINGS
 161 #endif
 162
 163     if (!hwctx->render) {
 164         status = hwctx->render2(avctx, frame, (void *)&pic_ctx->info,
 165                                 pic_ctx->bitstream_buffers_used, pic_ctx->bitstream_buffers);
 166     } else
 167     status = vdctx->render(vdctx->decoder, surf, (void *)&pic_ctx->info,
 168                            pic_ctx->bitstream_buffers_used,
 169                            pic_ctx->bitstream_buffers);
 170
 171     av_freep(&pic_ctx->bitstream_buffers);
 172
 173 #if FF_API_BUFS_VDPAU
 174 FF_DISABLE_DEPRECATION_WARNINGS
 175     hwctx->bitstream_buffers = NULL;
 176     hwctx->bitstream_buffers_used = 0;
 177     hwctx->bitstream_buffers_allocated = 0;
 178 FF_ENABLE_DEPRECATION_WARNINGS
 179 #endif
 180
 181     return vdpau_error(status);
 182 }
 183
 184 #if CONFIG_H263_VDPAU_HWACCEL  || CONFIG_MPEG1_VDPAU_HWACCEL || \
 185     CONFIG_MPEG2_VDPAU_HWACCEL || CONFIG_MPEG4_VDPAU_HWACCEL || \
 186     CONFIG_VC1_VDPAU_HWACCEL   || CONFIG_WMV3_VDPAU_HWACCEL
 187 int ff_vdpau_mpeg_end_frame(AVCodecContext *avctx)
 188 {
 189     MpegEncContext *s = avctx->priv_data;
 190     Picture *pic = s->current_picture_ptr;
 191     struct vdpau_picture_context *pic_ctx = pic->hwaccel_picture_private;
 192     int val;
 193
 194     val = ff_vdpau_common_end_frame(avctx, pic->f, pic_ctx);
 195     if (val < 0)
 196         return val;
 197
 198     ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
 199     return 0;
 200 }
 201 #endif
 202
 203 int ff_vdpau_add_buffer(struct vdpau_picture_context *pic_ctx,
 204                         const uint8_t *buf, uint32_t size)
 205 {
 206     VdpBitstreamBuffer *buffers = pic_ctx->bitstream_buffers;
 207
 208     buffers = av_fast_realloc(buffers, &pic_ctx->bitstream_buffers_allocated,
 209                               (pic_ctx->bitstream_buffers_used + 1) * sizeof(*buffers));
 210     if (!buffers)
 211         return AVERROR(ENOMEM);
 212
 213     pic_ctx->bitstream_buffers = buffers;
 214     buffers += pic_ctx->bitstream_buffers_used++;
 215
 216     buffers->struct_version  = VDP_BITSTREAM_BUFFER_VERSION;
 217     buffers->bitstream       = buf;
 218     buffers->bitstream_bytes = size;
 219     return 0;
 220 }
 221
 222 /* Obsolete non-hwaccel VDPAU support below... */
 223
 224 void ff_vdpau_h264_set_reference_frames(H264Context *h)
 225 {
 226     struct vdpau_render_state *render, *render_ref;
 227     VdpReferenceFrameH264 *rf, *rf2;
 228     H264Picture *pic;
 229     int i, list, pic_frame_idx;
 230
 231     render = (struct vdpau_render_state *)h->cur_pic_ptr->f.data[0];
 232     assert(render);
 233
 234     rf = &render->info.h264.referenceFrames[0];
 235 #define H264_RF_COUNT FF_ARRAY_ELEMS(render->info.h264.referenceFrames)
 236
 237     for (list = 0; list < 2; ++list) {
 238         H264Picture **lp = list ? h->long_ref : h->short_ref;
 239         int ls = list ? 16 : h->short_ref_count;
 240
 241         for (i = 0; i < ls; ++i) {
 242             pic = lp[i];
 243             if (!pic || !pic->reference)
 244                 continue;
 245             pic_frame_idx = pic->long_ref ? pic->pic_id : pic->frame_num;
 246
 247             render_ref = (struct vdpau_render_state *)pic->f.data[0];
 248             assert(render_ref);
 249
 250             rf2 = &render->info.h264.referenceFrames[0];
 251             while (rf2 != rf) {
 252                 if (
 253                     (rf2->surface == render_ref->surface)
 254                     && (rf2->is_long_term == pic->long_ref)
 255                     && (rf2->frame_idx == pic_frame_idx)
 256                 )
 257                     break;
 258                 ++rf2;
 259             }
 260             if (rf2 != rf) {
 261                 rf2->top_is_reference    |= (pic->reference & PICT_TOP_FIELD)    ? VDP_TRUE : VDP_FALSE;
 262                 rf2->bottom_is_reference |= (pic->reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE;
 263                 continue;
 264             }
 265
 266             if (rf >= &render->info.h264.referenceFrames[H264_RF_COUNT])
 267                 continue;
 268
 269             rf->surface             = render_ref->surface;
 270             rf->is_long_term        = pic->long_ref;
 271             rf->top_is_reference    = (pic->reference & PICT_TOP_FIELD)    ? VDP_TRUE : VDP_FALSE;
 272             rf->bottom_is_reference = (pic->reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE;
 273             rf->field_order_cnt[0]  = pic->field_poc[0];
 274             rf->field_order_cnt[1]  = pic->field_poc[1];
 275             rf->frame_idx           = pic_frame_idx;
 276
 277             ++rf;
 278         }
 279     }
 280
 281     for (; rf < &render->info.h264.referenceFrames[H264_RF_COUNT]; ++rf) {
 282         rf->surface             = VDP_INVALID_HANDLE;
 283         rf->is_long_term        = 0;
 284         rf->top_is_reference    = 0;
 285         rf->bottom_is_reference = 0;
 286         rf->field_order_cnt[0]  = 0;
 287         rf->field_order_cnt[1]  = 0;
 288         rf->frame_idx           = 0;
 289     }
 290 }
 291
 292 void ff_vdpau_add_data_chunk(uint8_t *data, const uint8_t *buf, int buf_size)
 293 {
 294     struct vdpau_render_state *render = (struct vdpau_render_state*)data;
 295     assert(render);
 296
 297     render->bitstream_buffers= av_fast_realloc(
 298         render->bitstream_buffers,
 299         &render->bitstream_buffers_allocated,
 300         sizeof(*render->bitstream_buffers)*(render->bitstream_buffers_used + 1)
 301     );
 302
 303     render->bitstream_buffers[render->bitstream_buffers_used].struct_version  = VDP_BITSTREAM_BUFFER_VERSION;
 304     render->bitstream_buffers[render->bitstream_buffers_used].bitstream       = buf;
 305     render->bitstream_buffers[render->bitstream_buffers_used].bitstream_bytes = buf_size;
 306     render->bitstream_buffers_used++;
 307 }
 308
 309 #if CONFIG_H264_VDPAU_DECODER
 310 void ff_vdpau_h264_picture_start(H264Context *h)
 311 {
 312     struct vdpau_render_state *render;
 313     int i;
 314
 315     render = (struct vdpau_render_state *)h->cur_pic_ptr->f.data[0];
 316     assert(render);
 317
 318     for (i = 0; i < 2; ++i) {
 319         int foc = h->cur_pic_ptr->field_poc[i];
 320         if (foc == INT_MAX)
 321             foc = 0;
 322         render->info.h264.field_order_cnt[i] = foc;
 323     }
 324
 325     render->info.h264.frame_num = h->frame_num;
 326 }
 327
 328 void ff_vdpau_h264_picture_complete(H264Context *h)
 329 {
 330     struct vdpau_render_state *render;
 331
 332     render = (struct vdpau_render_state *)h->cur_pic_ptr->f.data[0];
 333     assert(render);
 334
 335     render->info.h264.slice_count = h->slice_num;
 336     if (render->info.h264.slice_count < 1)
 337         return;
 338
 339     render->info.h264.is_reference                           = (h->cur_pic_ptr->reference & 3) ? VDP_TRUE : VDP_FALSE;
 340     render->info.h264.field_pic_flag                         = h->picture_structure != PICT_FRAME;
 341     render->info.h264.bottom_field_flag                      = h->picture_structure == PICT_BOTTOM_FIELD;
 342     render->info.h264.num_ref_frames                         = h->sps.ref_frame_count;
 343     render->info.h264.mb_adaptive_frame_field_flag           = h->sps.mb_aff && !render->info.h264.field_pic_flag;
 344     render->info.h264.constrained_intra_pred_flag            = h->pps.constrained_intra_pred;
 345     render->info.h264.weighted_pred_flag                     = h->pps.weighted_pred;
 346     render->info.h264.weighted_bipred_idc                    = h->pps.weighted_bipred_idc;
 347     render->info.h264.frame_mbs_only_flag                    = h->sps.frame_mbs_only_flag;
 348     render->info.h264.transform_8x8_mode_flag                = h->pps.transform_8x8_mode;
 349     render->info.h264.chroma_qp_index_offset                 = h->pps.chroma_qp_index_offset[0];
 350     render->info.h264.second_chroma_qp_index_offset          = h->pps.chroma_qp_index_offset[1];
 351     render->info.h264.pic_init_qp_minus26                    = h->pps.init_qp - 26;
 352     render->info.h264.num_ref_idx_l0_active_minus1           = h->pps.ref_count[0] - 1;
 353     render->info.h264.num_ref_idx_l1_active_minus1           = h->pps.ref_count[1] - 1;
 354     render->info.h264.log2_max_frame_num_minus4              = h->sps.log2_max_frame_num - 4;
 355     render->info.h264.pic_order_cnt_type                     = h->sps.poc_type;
 356     render->info.h264.log2_max_pic_order_cnt_lsb_minus4      = h->sps.poc_type ? 0 : h->sps.log2_max_poc_lsb - 4;
 357     render->info.h264.delta_pic_order_always_zero_flag       = h->sps.delta_pic_order_always_zero_flag;
 358     render->info.h264.direct_8x8_inference_flag              = h->sps.direct_8x8_inference_flag;
 359     render->info.h264.entropy_coding_mode_flag               = h->pps.cabac;
 360     render->info.h264.pic_order_present_flag                 = h->pps.pic_order_present;
 361     render->info.h264.deblocking_filter_control_present_flag = h->pps.deblocking_filter_parameters_present;
 362     render->info.h264.redundant_pic_cnt_present_flag         = h->pps.redundant_pic_cnt_present;
 363     memcpy(render->info.h264.scaling_lists_4x4, h->pps.scaling_matrix4, sizeof(render->info.h264.scaling_lists_4x4));
 364     memcpy(render->info.h264.scaling_lists_8x8[0], h->pps.scaling_matrix8[0], sizeof(render->info.h264.scaling_lists_8x8[0]));
 365     memcpy(render->info.h264.scaling_lists_8x8[1], h->pps.scaling_matrix8[3], sizeof(render->info.h264.scaling_lists_8x8[0]));
 366
 367     ff_h264_draw_horiz_band(h, 0, h->avctx->height);
 368     render->bitstream_buffers_used = 0;
 369 }
 370 #endif /* CONFIG_H264_VDPAU_DECODER */
 371
 372 #if CONFIG_MPEG_VDPAU_DECODER || CONFIG_MPEG1_VDPAU_DECODER
 373 void ff_vdpau_mpeg_picture_complete(MpegEncContext *s, const uint8_t *buf,
 374                                     int buf_size, int slice_count)
 375 {
 376     struct vdpau_render_state *render, *last, *next;
 377     int i;
 378
 379     if (!s->current_picture_ptr) return;
 380
 381     render = (struct vdpau_render_state *)s->current_picture_ptr->f->data[0];
 382     assert(render);
 383
 384     /* fill VdpPictureInfoMPEG1Or2 struct */
 385     render->info.mpeg.picture_structure          = s->picture_structure;
 386     render->info.mpeg.picture_coding_type        = s->pict_type;
 387     render->info.mpeg.intra_dc_precision         = s->intra_dc_precision;
 388     render->info.mpeg.frame_pred_frame_dct       = s->frame_pred_frame_dct;
 389     render->info.mpeg.concealment_motion_vectors = s->concealment_motion_vectors;
 390     render->info.mpeg.intra_vlc_format           = s->intra_vlc_format;
 391     render->info.mpeg.alternate_scan             = s->alternate_scan;
 392     render->info.mpeg.q_scale_type               = s->q_scale_type;
 393     render->info.mpeg.top_field_first            = s->top_field_first;
 394     render->info.mpeg.full_pel_forward_vector    = s->full_pel[0]; // MPEG-1 only.  Set 0 for MPEG-2
 395     render->info.mpeg.full_pel_backward_vector   = s->full_pel[1]; // MPEG-1 only.  Set 0 for MPEG-2
 396     render->info.mpeg.f_code[0][0]               = s->mpeg_f_code[0][0]; // For MPEG-1 fill both horiz. & vert.
 397     render->info.mpeg.f_code[0][1]               = s->mpeg_f_code[0][1];
 398     render->info.mpeg.f_code[1][0]               = s->mpeg_f_code[1][0];
 399     render->info.mpeg.f_code[1][1]               = s->mpeg_f_code[1][1];
 400     for (i = 0; i < 64; ++i) {
 401         render->info.mpeg.intra_quantizer_matrix[i]     = s->intra_matrix[i];
 402         render->info.mpeg.non_intra_quantizer_matrix[i] = s->inter_matrix[i];
 403     }
 404
 405     render->info.mpeg.forward_reference          = VDP_INVALID_HANDLE;
 406     render->info.mpeg.backward_reference         = VDP_INVALID_HANDLE;
 407
 408     switch(s->pict_type){
 409     case  AV_PICTURE_TYPE_B:
 410         next = (struct vdpau_render_state *)s->next_picture.f->data[0];
 411         assert(next);
 412         render->info.mpeg.backward_reference     = next->surface;
 413         // no return here, going to set forward prediction
 414     case  AV_PICTURE_TYPE_P:
 415         last = (struct vdpau_render_state *)s->last_picture.f->data[0];
 416         if (!last) // FIXME: Does this test make sense?
 417             last = render; // predict second field from the first
 418         render->info.mpeg.forward_reference      = last->surface;
 419     }
 420
 421     ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
 422
 423     render->info.mpeg.slice_count                = slice_count;
 424
 425     if (slice_count)
 426         ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
 427     render->bitstream_buffers_used               = 0;
 428 }
 429 #endif /* CONFIG_MPEG_VDPAU_DECODER || CONFIG_MPEG1_VDPAU_DECODER */
 430
 431 #if CONFIG_VC1_VDPAU_DECODER
 432 void ff_vdpau_vc1_decode_picture(MpegEncContext *s, const uint8_t *buf,
 433                                  int buf_size)
 434 {
 435     VC1Context *v = s->avctx->priv_data;
 436     struct vdpau_render_state *render, *last, *next;
 437
 438     render = (struct vdpau_render_state *)s->current_picture.f->data[0];
 439     assert(render);
 440
 441     /*  fill LvPictureInfoVC1 struct */
 442     render->info.vc1.frame_coding_mode  = v->fcm ? v->fcm + 1 : 0;
 443     render->info.vc1.postprocflag       = v->postprocflag;
 444     render->info.vc1.pulldown           = v->broadcast;
 445     render->info.vc1.interlace          = v->interlace;
 446     render->info.vc1.tfcntrflag         = v->tfcntrflag;
 447     render->info.vc1.finterpflag        = v->finterpflag;
 448     render->info.vc1.psf                = v->psf;
 449     render->info.vc1.dquant             = v->dquant;
 450     render->info.vc1.panscan_flag       = v->panscanflag;
 451     render->info.vc1.refdist_flag       = v->refdist_flag;
 452     render->info.vc1.quantizer          = v->quantizer_mode;
 453     render->info.vc1.extended_mv        = v->extended_mv;
 454     render->info.vc1.extended_dmv       = v->extended_dmv;
 455     render->info.vc1.overlap            = v->overlap;
 456     render->info.vc1.vstransform        = v->vstransform;
 457     render->info.vc1.loopfilter         = v->s.loop_filter;
 458     render->info.vc1.fastuvmc           = v->fastuvmc;
 459     render->info.vc1.range_mapy_flag    = v->range_mapy_flag;
 460     render->info.vc1.range_mapy         = v->range_mapy;
 461     render->info.vc1.range_mapuv_flag   = v->range_mapuv_flag;
 462     render->info.vc1.range_mapuv        = v->range_mapuv;
 463     /* Specific to simple/main profile only */
 464     render->info.vc1.multires           = v->multires;
 465     render->info.vc1.syncmarker         = v->resync_marker;
 466     render->info.vc1.rangered           = v->rangered | (v->rangeredfrm << 1);
 467     render->info.vc1.maxbframes         = v->s.max_b_frames;
 468
 469     render->info.vc1.deblockEnable      = v->postprocflag & 1;
 470     render->info.vc1.pquant             = v->pq;
 471
 472     render->info.vc1.forward_reference  = VDP_INVALID_HANDLE;
 473     render->info.vc1.backward_reference = VDP_INVALID_HANDLE;
 474
 475     if (v->bi_type)
 476         render->info.vc1.picture_type = 4;
 477     else
 478         render->info.vc1.picture_type = s->pict_type - 1 + s->pict_type / 3;
 479
 480     switch(s->pict_type){
 481     case  AV_PICTURE_TYPE_B:
 482         next = (struct vdpau_render_state *)s->next_picture.f->data[0];
 483         assert(next);
 484         render->info.vc1.backward_reference = next->surface;
 485         // no break here, going to set forward prediction
 486     case  AV_PICTURE_TYPE_P:
 487         last = (struct vdpau_render_state *)s->last_picture.f->data[0];
 488         if (!last) // FIXME: Does this test make sense?
 489             last = render; // predict second field from the first
 490         render->info.vc1.forward_reference = last->surface;
 491     }
 492
 493     ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
 494
 495     render->info.vc1.slice_count          = 1;
 496
 497     ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
 498     render->bitstream_buffers_used        = 0;
 499 }
 500 #endif /* (CONFIG_VC1_VDPAU_DECODER */
 501
 502 #if CONFIG_MPEG4_VDPAU_DECODER
 503 void ff_vdpau_mpeg4_decode_picture(Mpeg4DecContext *ctx, const uint8_t *buf,
 504                                    int buf_size)
 505 {
 506     MpegEncContext *s = &ctx->m;
 507     struct vdpau_render_state *render, *last, *next;
 508     int i;
 509
 510     if (!s->current_picture_ptr) return;
 511
 512     render = (struct vdpau_render_state *)s->current_picture_ptr->f->data[0];
 513     assert(render);
 514
 515     /* fill VdpPictureInfoMPEG4Part2 struct */
 516     render->info.mpeg4.trd[0]                            = s->pp_time;
 517     render->info.mpeg4.trb[0]                            = s->pb_time;
 518     render->info.mpeg4.trd[1]                            = s->pp_field_time >> 1;
 519     render->info.mpeg4.trb[1]                            = s->pb_field_time >> 1;
 520     render->info.mpeg4.vop_time_increment_resolution     = s->avctx->time_base.den;
 521     render->info.mpeg4.vop_coding_type                   = 0;
 522     render->info.mpeg4.vop_fcode_forward                 = s->f_code;
 523     render->info.mpeg4.vop_fcode_backward                = s->b_code;
 524     render->info.mpeg4.resync_marker_disable             = !ctx->resync_marker;
 525     render->info.mpeg4.interlaced                        = !s->progressive_sequence;
 526     render->info.mpeg4.quant_type                        = s->mpeg_quant;
 527     render->info.mpeg4.quarter_sample                    = s->quarter_sample;
 528     render->info.mpeg4.short_video_header                = s->avctx->codec->id == AV_CODEC_ID_H263;
 529     render->info.mpeg4.rounding_control                  = s->no_rounding;
 530     render->info.mpeg4.alternate_vertical_scan_flag      = s->alternate_scan;
 531     render->info.mpeg4.top_field_first                   = s->top_field_first;
 532     for (i = 0; i < 64; ++i) {
 533         render->info.mpeg4.intra_quantizer_matrix[i]     = s->intra_matrix[i];
 534         render->info.mpeg4.non_intra_quantizer_matrix[i] = s->inter_matrix[i];
 535     }
 536     render->info.mpeg4.forward_reference                 = VDP_INVALID_HANDLE;
 537     render->info.mpeg4.backward_reference                = VDP_INVALID_HANDLE;
 538
 539     switch (s->pict_type) {
 540     case AV_PICTURE_TYPE_B:
 541         next = (struct vdpau_render_state *)s->next_picture.f->data[0];
 542         assert(next);
 543         render->info.mpeg4.backward_reference     = next->surface;
 544         render->info.mpeg4.vop_coding_type        = 2;
 545         // no break here, going to set forward prediction
 546     case AV_PICTURE_TYPE_P:
 547         last = (struct vdpau_render_state *)s->last_picture.f->data[0];
 548         assert(last);
 549         render->info.mpeg4.forward_reference      = last->surface;
 550     }
 551
 552     ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
 553
 554     ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
 555     render->bitstream_buffers_used = 0;
 556 }
 557 #endif /* CONFIG_MPEG4_VDPAU_DECODER */
 558
 559 int av_vdpau_get_profile(AVCodecContext *avctx, VdpDecoderProfile *profile)
 560 {
 561 #define PROFILE(prof)       \
 562 do {                        \
 563     *profile = prof;        \
 564     return 0;               \
 565 } while (0)
 566
 567     switch (avctx->codec_id) {
 568     case AV_CODEC_ID_MPEG1VIDEO:               PROFILE(VDP_DECODER_PROFILE_MPEG1);
 569     case AV_CODEC_ID_MPEG2VIDEO:
 570         switch (avctx->profile) {
 571         case FF_PROFILE_MPEG2_MAIN:            PROFILE(VDP_DECODER_PROFILE_MPEG2_MAIN);
 572         case FF_PROFILE_MPEG2_SIMPLE:          PROFILE(VDP_DECODER_PROFILE_MPEG2_SIMPLE);
 573         default:                               return AVERROR(EINVAL);
 574         }
 575     case AV_CODEC_ID_H263:                     PROFILE(VDP_DECODER_PROFILE_MPEG4_PART2_ASP);
 576     case AV_CODEC_ID_MPEG4:
 577         switch (avctx->profile) {
 578         case FF_PROFILE_MPEG4_SIMPLE:          PROFILE(VDP_DECODER_PROFILE_MPEG4_PART2_SP);
 579         case FF_PROFILE_MPEG4_ADVANCED_SIMPLE: PROFILE(VDP_DECODER_PROFILE_MPEG4_PART2_ASP);
 580         default:                               return AVERROR(EINVAL);
 581         }
 582     case AV_CODEC_ID_H264:
 583         switch (avctx->profile & ~FF_PROFILE_H264_INTRA) {
 584         case FF_PROFILE_H264_CONSTRAINED_BASELINE:
 585         case FF_PROFILE_H264_BASELINE:         PROFILE(VDP_DECODER_PROFILE_H264_BASELINE);
 586         case FF_PROFILE_H264_MAIN:             PROFILE(VDP_DECODER_PROFILE_H264_MAIN);
 587         case FF_PROFILE_H264_HIGH:             PROFILE(VDP_DECODER_PROFILE_H264_HIGH);
 588         default:                               return AVERROR(EINVAL);
 589         }
 590     case AV_CODEC_ID_WMV3:
 591     case AV_CODEC_ID_VC1:
 592         switch (avctx->profile) {
 593         case FF_PROFILE_VC1_SIMPLE:            PROFILE(VDP_DECODER_PROFILE_VC1_SIMPLE);
 594         case FF_PROFILE_VC1_MAIN:              PROFILE(VDP_DECODER_PROFILE_VC1_MAIN);
 595         case FF_PROFILE_VC1_ADVANCED:          PROFILE(VDP_DECODER_PROFILE_VC1_ADVANCED);
 596         default:                               return AVERROR(EINVAL);
 597         }
 598     }
 599     return AVERROR(EINVAL);
 600 }
 601
 602 AVVDPAUContext *av_vdpau_alloc_context(void)
 603 {
 604     return av_mallocz(sizeof(AVVDPAUContext));
 605 }
 606
 607 /* @}*/