src/gallium/state_trackers/vdpau/decode.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2010 Thomas Balling Sørensen.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 #include "util/u_memory.h"
  29 #include "util/u_math.h"
  30 #include "util/u_debug.h"
  31 #include "util/u_video.h"
  32
  33 #include "vl/vl_vlc.h"
  34
  35 #include "vdpau_private.h"
  36
  37 /**
  38  * Create a VdpDecoder.
  39  */
  40 VdpStatus
  41 vlVdpDecoderCreate(VdpDevice device,
  42                    VdpDecoderProfile profile,
  43                    uint32_t width, uint32_t height,
  44                    uint32_t max_references,
  45                    VdpDecoder *decoder)
  46 {
  47    struct pipe_video_codec templat = {};
  48    struct pipe_context *pipe;
  49    struct pipe_screen *screen;
  50    vlVdpDevice *dev;
  51    vlVdpDecoder *vldecoder;
  52    VdpStatus ret;
  53    bool supported;
  54    uint32_t maxwidth, maxheight;
  55
  56    if (!decoder)
  57       return VDP_STATUS_INVALID_POINTER;
  58    *decoder = 0;
  59
  60    if (!(width && height))
  61       return VDP_STATUS_INVALID_VALUE;
  62
  63    templat.profile = ProfileToPipe(profile);
  64    if (templat.profile == PIPE_VIDEO_PROFILE_UNKNOWN)
  65       return VDP_STATUS_INVALID_DECODER_PROFILE;
  66
  67    dev = vlGetDataHTAB(device);
  68    if (!dev)
  69       return VDP_STATUS_INVALID_HANDLE;
  70
  71    pipe = dev->context;
  72    screen = dev->vscreen->pscreen;
  73
  74    pipe_mutex_lock(dev->mutex);
  75
  76    supported = screen->get_video_param
  77    (
  78       screen,
  79       templat.profile,
  80       PIPE_VIDEO_ENTRYPOINT_BITSTREAM,
  81       PIPE_VIDEO_CAP_SUPPORTED
  82    );
  83    if (!supported) {
  84       pipe_mutex_unlock(dev->mutex);
  85       return VDP_STATUS_INVALID_DECODER_PROFILE;
  86    }
  87
  88    maxwidth = screen->get_video_param
  89    (
  90       screen,
  91       templat.profile,
  92       PIPE_VIDEO_ENTRYPOINT_BITSTREAM,
  93       PIPE_VIDEO_CAP_MAX_WIDTH
  94    );
  95    maxheight = screen->get_video_param
  96    (
  97       screen,
  98       templat.profile,
  99       PIPE_VIDEO_ENTRYPOINT_BITSTREAM,
 100       PIPE_VIDEO_CAP_MAX_HEIGHT
 101    );
 102    if (width > maxwidth || height > maxheight) {
 103       pipe_mutex_unlock(dev->mutex);
 104       return VDP_STATUS_INVALID_SIZE;
 105    }
 106
 107    vldecoder = CALLOC(1,sizeof(vlVdpDecoder));
 108    if (!vldecoder) {
 109       pipe_mutex_unlock(dev->mutex);
 110       return VDP_STATUS_RESOURCES;
 111    }
 112
 113    DeviceReference(&vldecoder->device, dev);
 114
 115    templat.entrypoint = PIPE_VIDEO_ENTRYPOINT_BITSTREAM;
 116    templat.chroma_format = PIPE_VIDEO_CHROMA_FORMAT_420;
 117    templat.width = width;
 118    templat.height = height;
 119    templat.max_references = max_references;
 120
 121    vldecoder->decoder = pipe->create_video_codec(pipe, &templat);
 122
 123    if (!vldecoder->decoder) {
 124       ret = VDP_STATUS_ERROR;
 125       goto error_decoder;
 126    }
 127
 128    *decoder = vlAddDataHTAB(vldecoder);
 129    if (*decoder == 0) {
 130       ret = VDP_STATUS_ERROR;
 131       goto error_handle;
 132    }
 133
 134    pipe_mutex_init(vldecoder->mutex);
 135    pipe_mutex_unlock(dev->mutex);
 136
 137    return VDP_STATUS_OK;
 138
 139 error_handle:
 140    vldecoder->decoder->destroy(vldecoder->decoder);
 141
 142 error_decoder:
 143    pipe_mutex_unlock(dev->mutex);
 144    DeviceReference(&vldecoder->device, NULL);
 145    FREE(vldecoder);
 146    return ret;
 147 }
 148
 149 /**
 150  * Destroy a VdpDecoder.
 151  */
 152 VdpStatus
 153 vlVdpDecoderDestroy(VdpDecoder decoder)
 154 {
 155    vlVdpDecoder *vldecoder;
 156
 157    vldecoder = (vlVdpDecoder *)vlGetDataHTAB(decoder);
 158    if (!vldecoder)
 159       return VDP_STATUS_INVALID_HANDLE;
 160
 161    pipe_mutex_lock(vldecoder->mutex);
 162    vldecoder->decoder->destroy(vldecoder->decoder);
 163    pipe_mutex_unlock(vldecoder->mutex);
 164    pipe_mutex_destroy(vldecoder->mutex);
 165
 166    vlRemoveDataHTAB(decoder);
 167    DeviceReference(&vldecoder->device, NULL);
 168    FREE(vldecoder);
 169
 170    return VDP_STATUS_OK;
 171 }
 172
 173 /**
 174  * Retrieve the parameters used to create a VdpDecoder.
 175  */
 176 VdpStatus
 177 vlVdpDecoderGetParameters(VdpDecoder decoder,
 178                           VdpDecoderProfile *profile,
 179                           uint32_t *width,
 180                           uint32_t *height)
 181 {
 182    vlVdpDecoder *vldecoder;
 183
 184    vldecoder = (vlVdpDecoder *)vlGetDataHTAB(decoder);
 185    if (!vldecoder)
 186       return VDP_STATUS_INVALID_HANDLE;
 187
 188    *profile = PipeToProfile(vldecoder->decoder->profile);
 189    *width = vldecoder->decoder->width;
 190    *height = vldecoder->decoder->height;
 191
 192    return VDP_STATUS_OK;
 193 }
 194
 195 static VdpStatus
 196 vlVdpGetReferenceFrame(VdpVideoSurface handle, struct pipe_video_buffer **ref_frame)
 197 {
 198    vlVdpSurface *surface;
 199
 200    /* if surfaces equals VDP_STATUS_INVALID_HANDLE, they are not used */
 201    if (handle ==  VDP_INVALID_HANDLE) {
 202       *ref_frame = NULL;
 203       return VDP_STATUS_OK;
 204    }
 205
 206    surface = vlGetDataHTAB(handle);
 207    if (!surface)
 208       return VDP_STATUS_INVALID_HANDLE;
 209
 210    *ref_frame = surface->video_buffer;
 211    if (!*ref_frame)
 212          return VDP_STATUS_INVALID_HANDLE;
 213
 214    return VDP_STATUS_OK;
 215 }
 216
 217 /**
 218  * Decode a mpeg 1/2 video.
 219  */
 220 static VdpStatus
 221 vlVdpDecoderRenderMpeg12(struct pipe_mpeg12_picture_desc *picture,
 222                          VdpPictureInfoMPEG1Or2 *picture_info)
 223 {
 224    VdpStatus r;
 225
 226    VDPAU_MSG(VDPAU_TRACE, "[VDPAU] Decoding MPEG12\n");
 227
 228    r = vlVdpGetReferenceFrame(picture_info->forward_reference, &picture->ref[0]);
 229    if (r != VDP_STATUS_OK)
 230       return r;
 231
 232    r = vlVdpGetReferenceFrame(picture_info->backward_reference, &picture->ref[1]);
 233    if (r != VDP_STATUS_OK)
 234       return r;
 235
 236    picture->picture_coding_type = picture_info->picture_coding_type;
 237    picture->picture_structure = picture_info->picture_structure;
 238    picture->frame_pred_frame_dct = picture_info->frame_pred_frame_dct;
 239    picture->q_scale_type = picture_info->q_scale_type;
 240    picture->alternate_scan = picture_info->alternate_scan;
 241    picture->intra_vlc_format = picture_info->intra_vlc_format;
 242    picture->concealment_motion_vectors = picture_info->concealment_motion_vectors;
 243    picture->intra_dc_precision = picture_info->intra_dc_precision;
 244    picture->f_code[0][0] = picture_info->f_code[0][0] - 1;
 245    picture->f_code[0][1] = picture_info->f_code[0][1] - 1;
 246    picture->f_code[1][0] = picture_info->f_code[1][0] - 1;
 247    picture->f_code[1][1] = picture_info->f_code[1][1] - 1;
 248    picture->num_slices = picture_info->slice_count;
 249    picture->top_field_first = picture_info->top_field_first;
 250    picture->full_pel_forward_vector = picture_info->full_pel_forward_vector;
 251    picture->full_pel_backward_vector = picture_info->full_pel_backward_vector;
 252    picture->intra_matrix = picture_info->intra_quantizer_matrix;
 253    picture->non_intra_matrix = picture_info->non_intra_quantizer_matrix;
 254
 255    return VDP_STATUS_OK;
 256 }
 257
 258 /**
 259  * Decode a mpeg 4 video.
 260  */
 261 static VdpStatus
 262 vlVdpDecoderRenderMpeg4(struct pipe_mpeg4_picture_desc *picture,
 263                         VdpPictureInfoMPEG4Part2 *picture_info)
 264 {
 265    VdpStatus r;
 266    unsigned i;
 267
 268    VDPAU_MSG(VDPAU_TRACE, "[VDPAU] Decoding MPEG4\n");
 269
 270    r = vlVdpGetReferenceFrame(picture_info->forward_reference, &picture->ref[0]);
 271    if (r != VDP_STATUS_OK)
 272       return r;
 273
 274    r = vlVdpGetReferenceFrame(picture_info->backward_reference, &picture->ref[1]);
 275    if (r != VDP_STATUS_OK)
 276       return r;
 277
 278    for (i = 0; i < 2; ++i) {
 279       picture->trd[i] = picture_info->trd[i];
 280       picture->trb[i] = picture_info->trb[i];
 281    }
 282    picture->vop_time_increment_resolution = picture_info->vop_time_increment_resolution;
 283    picture->vop_coding_type = picture_info->vop_coding_type;
 284    picture->vop_fcode_forward = picture_info->vop_fcode_forward;
 285    picture->vop_fcode_backward = picture_info->vop_fcode_backward;
 286    picture->resync_marker_disable = picture_info->resync_marker_disable;
 287    picture->interlaced = picture_info->interlaced;
 288    picture->quant_type = picture_info->quant_type;
 289    picture->quarter_sample = picture_info->quarter_sample;
 290    picture->short_video_header = picture_info->short_video_header;
 291    picture->rounding_control = picture_info->rounding_control;
 292    picture->alternate_vertical_scan_flag = picture_info->alternate_vertical_scan_flag;
 293    picture->top_field_first = picture_info->top_field_first;
 294    picture->intra_matrix = picture_info->intra_quantizer_matrix;
 295    picture->non_intra_matrix = picture_info->non_intra_quantizer_matrix;
 296
 297    return VDP_STATUS_OK;
 298 }
 299
 300 static VdpStatus
 301 vlVdpDecoderRenderVC1(struct pipe_vc1_picture_desc *picture,
 302                       VdpPictureInfoVC1 *picture_info)
 303 {
 304    VdpStatus r;
 305
 306    VDPAU_MSG(VDPAU_TRACE, "[VDPAU] Decoding VC-1\n");
 307
 308    r = vlVdpGetReferenceFrame(picture_info->forward_reference, &picture->ref[0]);
 309    if (r != VDP_STATUS_OK)
 310       return r;
 311
 312    r = vlVdpGetReferenceFrame(picture_info->backward_reference, &picture->ref[1]);
 313    if (r != VDP_STATUS_OK)
 314       return r;
 315
 316    picture->slice_count = picture_info->slice_count;
 317    picture->picture_type = picture_info->picture_type;
 318    picture->frame_coding_mode = picture_info->frame_coding_mode;
 319    picture->postprocflag = picture_info->postprocflag;
 320    picture->pulldown = picture_info->pulldown;
 321    picture->interlace = picture_info->interlace;
 322    picture->tfcntrflag = picture_info->tfcntrflag;
 323    picture->finterpflag = picture_info->finterpflag;
 324    picture->psf = picture_info->psf;
 325    picture->dquant = picture_info->dquant;
 326    picture->panscan_flag = picture_info->panscan_flag;
 327    picture->refdist_flag = picture_info->refdist_flag;
 328    picture->quantizer = picture_info->quantizer;
 329    picture->extended_mv = picture_info->extended_mv;
 330    picture->extended_dmv = picture_info->extended_dmv;
 331    picture->overlap = picture_info->overlap;
 332    picture->vstransform = picture_info->vstransform;
 333    picture->loopfilter = picture_info->loopfilter;
 334    picture->fastuvmc = picture_info->fastuvmc;
 335    picture->range_mapy_flag = picture_info->range_mapy_flag;
 336    picture->range_mapy = picture_info->range_mapy;
 337    picture->range_mapuv_flag = picture_info->range_mapuv_flag;
 338    picture->range_mapuv = picture_info->range_mapuv;
 339    picture->multires = picture_info->multires;
 340    picture->syncmarker = picture_info->syncmarker;
 341    picture->rangered = picture_info->rangered;
 342    picture->maxbframes = picture_info->maxbframes;
 343    picture->deblockEnable = picture_info->deblockEnable;
 344    picture->pquant = picture_info->pquant;
 345
 346    return VDP_STATUS_OK;
 347 }
 348
 349 static VdpStatus
 350 vlVdpDecoderRenderH264(struct pipe_h264_picture_desc *picture,
 351                        VdpPictureInfoH264 *picture_info)
 352 {
 353    unsigned i;
 354
 355    VDPAU_MSG(VDPAU_TRACE, "[VDPAU] Decoding H264\n");
 356
 357    picture->pps->sps->mb_adaptive_frame_field_flag = picture_info->mb_adaptive_frame_field_flag;
 358    picture->pps->sps->frame_mbs_only_flag = picture_info->frame_mbs_only_flag;
 359    picture->pps->sps->log2_max_frame_num_minus4 = picture_info->log2_max_frame_num_minus4;
 360    picture->pps->sps->pic_order_cnt_type = picture_info->pic_order_cnt_type;
 361    picture->pps->sps->log2_max_pic_order_cnt_lsb_minus4 = picture_info->log2_max_pic_order_cnt_lsb_minus4;
 362    picture->pps->sps->delta_pic_order_always_zero_flag = picture_info->delta_pic_order_always_zero_flag;
 363    picture->pps->sps->direct_8x8_inference_flag = picture_info->direct_8x8_inference_flag;
 364
 365    picture->pps->transform_8x8_mode_flag = picture_info->transform_8x8_mode_flag;
 366    picture->pps->chroma_qp_index_offset = picture_info->chroma_qp_index_offset;
 367    picture->pps->second_chroma_qp_index_offset = picture_info->second_chroma_qp_index_offset;
 368    picture->pps->pic_init_qp_minus26 = picture_info->pic_init_qp_minus26;
 369    picture->pps->entropy_coding_mode_flag = picture_info->entropy_coding_mode_flag;
 370    picture->pps->deblocking_filter_control_present_flag = picture_info->deblocking_filter_control_present_flag;
 371    picture->pps->redundant_pic_cnt_present_flag = picture_info->redundant_pic_cnt_present_flag;
 372    picture->pps->constrained_intra_pred_flag = picture_info->constrained_intra_pred_flag;
 373    picture->pps->weighted_pred_flag = picture_info->weighted_pred_flag;
 374    picture->pps->weighted_bipred_idc = picture_info->weighted_bipred_idc;
 375    picture->pps->bottom_field_pic_order_in_frame_present_flag = picture_info->pic_order_present_flag;
 376    memcpy(picture->pps->ScalingList4x4, picture_info->scaling_lists_4x4, 6*16);
 377    memcpy(picture->pps->ScalingList8x8, picture_info->scaling_lists_8x8, 2*64);
 378
 379    picture->slice_count = picture_info->slice_count;
 380    picture->field_order_cnt[0] = picture_info->field_order_cnt[0];
 381    picture->field_order_cnt[1] = picture_info->field_order_cnt[1];
 382    picture->is_reference = picture_info->is_reference;
 383    picture->frame_num = picture_info->frame_num;
 384    picture->field_pic_flag = picture_info->field_pic_flag;
 385    picture->bottom_field_flag = picture_info->bottom_field_flag;
 386    picture->num_ref_frames = picture_info->num_ref_frames;
 387
 388    picture->num_ref_idx_l0_active_minus1 = picture_info->num_ref_idx_l0_active_minus1;
 389    picture->num_ref_idx_l1_active_minus1 = picture_info->num_ref_idx_l1_active_minus1;
 390
 391    for (i = 0; i < 16; ++i) {
 392       VdpStatus ret = vlVdpGetReferenceFrame
 393       (
 394          picture_info->referenceFrames[i].surface,
 395          &picture->ref[i]
 396       );
 397       if (ret != VDP_STATUS_OK)
 398          return ret;
 399
 400       picture->is_long_term[i] = picture_info->referenceFrames[i].is_long_term;
 401       picture->top_is_reference[i] = picture_info->referenceFrames[i].top_is_reference;
 402       picture->bottom_is_reference[i] = picture_info->referenceFrames[i].bottom_is_reference;
 403       picture->field_order_cnt_list[i][0] = picture_info->referenceFrames[i].field_order_cnt[0];
 404       picture->field_order_cnt_list[i][1] = picture_info->referenceFrames[i].field_order_cnt[1];
 405       picture->frame_num_list[i] = picture_info->referenceFrames[i].frame_idx;
 406    }
 407
 408    return VDP_STATUS_OK;
 409 }
 410
 411 static void
 412 vlVdpDecoderFixVC1Startcode(uint32_t *num_buffers, const void *buffers[], unsigned sizes[])
 413 {
 414    static const uint8_t vc1_startcode[] = { 0x00, 0x00, 0x01, 0x0D };
 415    struct vl_vlc vlc;
 416    unsigned i;
 417
 418    /* search the first 64 bytes for a startcode */
 419    vl_vlc_init(&vlc, *num_buffers, buffers, sizes);
 420    while (vl_vlc_search_byte(&vlc, 64*8, 0x00) && vl_vlc_bits_left(&vlc) >= 32) {
 421       uint32_t value = vl_vlc_peekbits(&vlc, 32);
 422       if (value == 0x0000010D ||
 423           value == 0x0000010C ||
 424           value == 0x0000010B)
 425          return;
 426       vl_vlc_eatbits(&vlc, 8);
 427    }
 428
 429    /* none found, ok add one manually */
 430    VDPAU_MSG(VDPAU_TRACE, "[VDPAU] Manually adding VC-1 startcode\n");
 431    for (i = *num_buffers; i > 0; --i) {
 432       buffers[i] = buffers[i - 1];
 433       sizes[i] = sizes[i - 1];
 434    }
 435    ++(*num_buffers);
 436    buffers[0] = vc1_startcode;
 437    sizes[0] = 4;
 438 }
 439
 440 /**
 441  * Decode a compressed field/frame and render the result into a VdpVideoSurface.
 442  */
 443 VdpStatus
 444 vlVdpDecoderRender(VdpDecoder decoder,
 445                    VdpVideoSurface target,
 446                    VdpPictureInfo const *picture_info,
 447                    uint32_t bitstream_buffer_count,
 448                    VdpBitstreamBuffer const *bitstream_buffers)
 449 {
 450    const void * buffers[bitstream_buffer_count + 1];
 451    unsigned sizes[bitstream_buffer_count + 1];
 452    vlVdpDecoder *vldecoder;
 453    vlVdpSurface *vlsurf;
 454    VdpStatus ret;
 455    struct pipe_screen *screen;
 456    struct pipe_video_codec *dec;
 457    bool buffer_support[2];
 458    unsigned i;
 459    struct pipe_h264_sps sps = {};
 460    struct pipe_h264_pps pps = { &sps };
 461    union {
 462       struct pipe_picture_desc base;
 463       struct pipe_mpeg12_picture_desc mpeg12;
 464       struct pipe_mpeg4_picture_desc mpeg4;
 465       struct pipe_vc1_picture_desc vc1;
 466       struct pipe_h264_picture_desc h264;
 467    } desc;
 468
 469    if (!(picture_info && bitstream_buffers))
 470       return VDP_STATUS_INVALID_POINTER;
 471
 472    vldecoder = (vlVdpDecoder *)vlGetDataHTAB(decoder);
 473    if (!vldecoder)
 474       return VDP_STATUS_INVALID_HANDLE;
 475    dec = vldecoder->decoder;
 476    screen = dec->context->screen;
 477
 478    vlsurf = (vlVdpSurface *)vlGetDataHTAB(target);
 479    if (!vlsurf)
 480       return VDP_STATUS_INVALID_HANDLE;
 481
 482    if (vlsurf->device != vldecoder->device)
 483       return VDP_STATUS_HANDLE_DEVICE_MISMATCH;
 484
 485    if (vlsurf->video_buffer != NULL && vlsurf->video_buffer->chroma_format != dec->chroma_format)
 486       // TODO: Recreate decoder with correct chroma
 487       return VDP_STATUS_INVALID_CHROMA_TYPE;
 488
 489    buffer_support[0] = screen->get_video_param(screen, dec->profile, PIPE_VIDEO_ENTRYPOINT_BITSTREAM,
 490                                                PIPE_VIDEO_CAP_SUPPORTS_PROGRESSIVE);
 491    buffer_support[1] = screen->get_video_param(screen, dec->profile, PIPE_VIDEO_ENTRYPOINT_BITSTREAM,
 492                                                PIPE_VIDEO_CAP_SUPPORTS_INTERLACED);
 493
 494    if (vlsurf->video_buffer == NULL ||
 495        !screen->is_video_format_supported(screen, vlsurf->video_buffer->buffer_format,
 496                                           dec->profile, PIPE_VIDEO_ENTRYPOINT_BITSTREAM) ||
 497        !buffer_support[vlsurf->video_buffer->interlaced]) {
 498
 499       pipe_mutex_lock(vlsurf->device->mutex);
 500
 501       /* destroy the old one */
 502       if (vlsurf->video_buffer)
 503          vlsurf->video_buffer->destroy(vlsurf->video_buffer);
 504
 505       /* set the buffer format to the prefered one */
 506       vlsurf->templat.buffer_format = screen->get_video_param(screen, dec->profile, PIPE_VIDEO_ENTRYPOINT_BITSTREAM,
 507                                                               PIPE_VIDEO_CAP_PREFERED_FORMAT);
 508
 509       /* also set interlacing to decoders preferences */
 510       vlsurf->templat.interlaced = screen->get_video_param(screen, dec->profile, PIPE_VIDEO_ENTRYPOINT_BITSTREAM,
 511                                                            PIPE_VIDEO_CAP_PREFERS_INTERLACED);
 512
 513       /* and recreate the video buffer */
 514       vlsurf->video_buffer = dec->context->create_video_buffer(dec->context, &vlsurf->templat);
 515
 516       /* still no luck? get me out of here... */
 517       if (!vlsurf->video_buffer) {
 518          pipe_mutex_unlock(vlsurf->device->mutex);
 519          return VDP_STATUS_NO_IMPLEMENTATION;
 520       }
 521       vlVdpVideoSurfaceClear(vlsurf);
 522       pipe_mutex_unlock(vlsurf->device->mutex);
 523    }
 524
 525    for (i = 0; i < bitstream_buffer_count; ++i) {
 526       buffers[i] = bitstream_buffers[i].bitstream;
 527       sizes[i] = bitstream_buffers[i].bitstream_bytes;
 528    }
 529
 530    memset(&desc, 0, sizeof(desc));
 531    desc.base.profile = dec->profile;
 532    switch (u_reduce_video_profile(dec->profile)) {
 533    case PIPE_VIDEO_FORMAT_MPEG12:
 534       ret = vlVdpDecoderRenderMpeg12(&desc.mpeg12, (VdpPictureInfoMPEG1Or2 *)picture_info);
 535       break;
 536    case PIPE_VIDEO_FORMAT_MPEG4:
 537       ret = vlVdpDecoderRenderMpeg4(&desc.mpeg4, (VdpPictureInfoMPEG4Part2 *)picture_info);
 538       break;
 539    case PIPE_VIDEO_FORMAT_VC1:
 540       if (dec->profile == PIPE_VIDEO_PROFILE_VC1_ADVANCED)
 541          vlVdpDecoderFixVC1Startcode(&bitstream_buffer_count, buffers, sizes);
 542       ret = vlVdpDecoderRenderVC1(&desc.vc1, (VdpPictureInfoVC1 *)picture_info);
 543       break;
 544    case PIPE_VIDEO_FORMAT_MPEG4_AVC:
 545       desc.h264.pps = &pps;
 546       ret = vlVdpDecoderRenderH264(&desc.h264, (VdpPictureInfoH264 *)picture_info);
 547       break;
 548    default:
 549       return VDP_STATUS_INVALID_DECODER_PROFILE;
 550    }
 551
 552    if (ret != VDP_STATUS_OK)
 553       return ret;
 554
 555    pipe_mutex_lock(vldecoder->mutex);
 556    dec->begin_frame(dec, vlsurf->video_buffer, &desc.base);
 557    dec->decode_bitstream(dec, vlsurf->video_buffer, &desc.base, bitstream_buffer_count, buffers, sizes);
 558    dec->end_frame(dec, vlsurf->video_buffer, &desc.base);
 559    pipe_mutex_unlock(vldecoder->mutex);
 560    return ret;
 561 }