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  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 TUNGSTEN GRAPHICS 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.    enum pipe_video_profile p_profile;
  48.    struct pipe_context *pipe;
  49.    struct pipe_screen *screen;
  50.    vlVdpDevice *dev;
  51.    vlVdpDecoder *vldecoder;
  52.    VdpStatus ret;
  53.    bool supported;
  54.  
  55.    if (!decoder)
  56.       return VDP_STATUS_INVALID_POINTER;
  57.    *decoder = 0;
  58.  
  59.    if (!(width && height))
  60.       return VDP_STATUS_INVALID_VALUE;
  61.  
  62.    p_profile = ProfileToPipe(profile);
  63.    if (p_profile == PIPE_VIDEO_PROFILE_UNKNOWN)
  64.       return VDP_STATUS_INVALID_DECODER_PROFILE;
  65.  
  66.    dev = vlGetDataHTAB(device);
  67.    if (!dev)
  68.       return VDP_STATUS_INVALID_HANDLE;
  69.  
  70.    pipe = dev->context;
  71.    screen = dev->vscreen->pscreen;
  72.  
  73.    pipe_mutex_lock(dev->mutex);
  74.  
  75.    supported = screen->get_video_param
  76.    (
  77.       screen,
  78.       p_profile,
  79.       PIPE_VIDEO_CAP_SUPPORTED
  80.    );
  81.    if (!supported) {
  82.       pipe_mutex_unlock(dev->mutex);
  83.       return VDP_STATUS_INVALID_DECODER_PROFILE;
  84.    }
  85.  
  86.    vldecoder = CALLOC(1,sizeof(vlVdpDecoder));
  87.    if (!vldecoder) {
  88.       pipe_mutex_unlock(dev->mutex);
  89.       return VDP_STATUS_RESOURCES;
  90.    }
  91.  
  92.    vldecoder->device = dev;
  93.  
  94.    vldecoder->decoder = pipe->create_video_decoder
  95.    (
  96.       pipe, p_profile,
  97.       PIPE_VIDEO_ENTRYPOINT_BITSTREAM,
  98.       PIPE_VIDEO_CHROMA_FORMAT_420,
  99.       width, height, max_references,
  100.       false
  101.    );
  102.  
  103.    if (!vldecoder->decoder) {
  104.       ret = VDP_STATUS_ERROR;
  105.       goto error_decoder;
  106.    }
  107.  
  108.    *decoder = vlAddDataHTAB(vldecoder);
  109.    if (*decoder == 0) {
  110.       ret = VDP_STATUS_ERROR;
  111.       goto error_handle;
  112.    }
  113.    pipe_mutex_unlock(dev->mutex);
  114.  
  115.    return VDP_STATUS_OK;
  116.  
  117. error_handle:
  118.    vldecoder->decoder->destroy(vldecoder->decoder);
  119.  
  120. error_decoder:
  121.    pipe_mutex_unlock(dev->mutex);
  122.    FREE(vldecoder);
  123.    return ret;
  124. }
  125.  
  126. /**
  127.  * Destroy a VdpDecoder.
  128.  */
  129. VdpStatus
  130. vlVdpDecoderDestroy(VdpDecoder decoder)
  131. {
  132.    vlVdpDecoder *vldecoder;
  133.  
  134.    vldecoder = (vlVdpDecoder *)vlGetDataHTAB(decoder);
  135.    if (!vldecoder)
  136.       return VDP_STATUS_INVALID_HANDLE;
  137.  
  138.    pipe_mutex_lock(vldecoder->device->mutex);
  139.    vldecoder->decoder->destroy(vldecoder->decoder);
  140.    pipe_mutex_unlock(vldecoder->device->mutex);
  141.  
  142.    vlRemoveDataHTAB(decoder);
  143.    FREE(vldecoder);
  144.  
  145.    return VDP_STATUS_OK;
  146. }
  147.  
  148. /**
  149.  * Retrieve the parameters used to create a VdpBitmapSurface.
  150.  */
  151. VdpStatus
  152. vlVdpDecoderGetParameters(VdpDecoder decoder,
  153.                           VdpDecoderProfile *profile,
  154.                           uint32_t *width,
  155.                           uint32_t *height)
  156. {
  157.    vlVdpDecoder *vldecoder;
  158.  
  159.    vldecoder = (vlVdpDecoder *)vlGetDataHTAB(decoder);
  160.    if (!vldecoder)
  161.       return VDP_STATUS_INVALID_HANDLE;
  162.  
  163.    *profile = PipeToProfile(vldecoder->decoder->profile);
  164.    *width = vldecoder->decoder->width;
  165.    *height = vldecoder->decoder->height;
  166.  
  167.    return VDP_STATUS_OK;
  168. }
  169.  
  170. static VdpStatus
  171. vlVdpGetReferenceFrame(VdpVideoSurface handle, struct pipe_video_buffer **ref_frame)
  172. {
  173.    vlVdpSurface *surface;
  174.  
  175.    /* if surfaces equals VDP_STATUS_INVALID_HANDLE, they are not used */
  176.    if (handle ==  VDP_INVALID_HANDLE) {
  177.       *ref_frame = NULL;
  178.       return VDP_STATUS_OK;
  179.    }
  180.  
  181.    surface = vlGetDataHTAB(handle);
  182.    if (!surface)
  183.       return VDP_STATUS_INVALID_HANDLE;
  184.  
  185.    *ref_frame = surface->video_buffer;
  186.    if (!*ref_frame)
  187.          return VDP_STATUS_INVALID_HANDLE;
  188.  
  189.    return VDP_STATUS_OK;
  190. }
  191.  
  192. /**
  193.  * Decode a mpeg 1/2 video.
  194.  */
  195. static VdpStatus
  196. vlVdpDecoderRenderMpeg12(struct pipe_mpeg12_picture_desc *picture,
  197.                          VdpPictureInfoMPEG1Or2 *picture_info)
  198. {
  199.    VdpStatus r;
  200.  
  201.    VDPAU_MSG(VDPAU_TRACE, "[VDPAU] Decoding MPEG12\n");
  202.  
  203.    r = vlVdpGetReferenceFrame(picture_info->forward_reference, &picture->ref[0]);
  204.    if (r != VDP_STATUS_OK)
  205.       return r;
  206.  
  207.    r = vlVdpGetReferenceFrame(picture_info->backward_reference, &picture->ref[1]);
  208.    if (r != VDP_STATUS_OK)
  209.       return r;
  210.  
  211.    picture->picture_coding_type = picture_info->picture_coding_type;
  212.    picture->picture_structure = picture_info->picture_structure;
  213.    picture->frame_pred_frame_dct = picture_info->frame_pred_frame_dct;
  214.    picture->q_scale_type = picture_info->q_scale_type;
  215.    picture->alternate_scan = picture_info->alternate_scan;
  216.    picture->intra_vlc_format = picture_info->intra_vlc_format;
  217.    picture->concealment_motion_vectors = picture_info->concealment_motion_vectors;
  218.    picture->intra_dc_precision = picture_info->intra_dc_precision;
  219.    picture->f_code[0][0] = picture_info->f_code[0][0] - 1;
  220.    picture->f_code[0][1] = picture_info->f_code[0][1] - 1;
  221.    picture->f_code[1][0] = picture_info->f_code[1][0] - 1;
  222.    picture->f_code[1][1] = picture_info->f_code[1][1] - 1;
  223.    picture->num_slices = picture_info->slice_count;
  224.    picture->top_field_first = picture_info->top_field_first;
  225.    picture->full_pel_forward_vector = picture_info->full_pel_forward_vector;
  226.    picture->full_pel_backward_vector = picture_info->full_pel_backward_vector;
  227.    picture->intra_matrix = picture_info->intra_quantizer_matrix;
  228.    picture->non_intra_matrix = picture_info->non_intra_quantizer_matrix;
  229.  
  230.    return VDP_STATUS_OK;
  231. }
  232.  
  233. /**
  234.  * Decode a mpeg 4 video.
  235.  */
  236. static VdpStatus
  237. vlVdpDecoderRenderMpeg4(struct pipe_mpeg4_picture_desc *picture,
  238.                         VdpPictureInfoMPEG4Part2 *picture_info)
  239. {
  240.    VdpStatus r;
  241.    unsigned i;
  242.  
  243.    VDPAU_MSG(VDPAU_TRACE, "[VDPAU] Decoding MPEG4\n");
  244.  
  245.    r = vlVdpGetReferenceFrame(picture_info->forward_reference, &picture->ref[0]);
  246.    if (r != VDP_STATUS_OK)
  247.       return r;
  248.  
  249.    r = vlVdpGetReferenceFrame(picture_info->backward_reference, &picture->ref[1]);
  250.    if (r != VDP_STATUS_OK)
  251.       return r;
  252.  
  253.    for (i = 0; i < 2; ++i) {
  254.       picture->trd[i] = picture_info->trd[i];
  255.       picture->trb[i] = picture_info->trb[i];
  256.    }
  257.    picture->vop_time_increment_resolution = picture_info->vop_time_increment_resolution;
  258.    picture->vop_coding_type = picture_info->vop_coding_type;
  259.    picture->vop_fcode_forward = picture_info->vop_fcode_forward;
  260.    picture->vop_fcode_backward = picture_info->vop_fcode_backward;
  261.    picture->resync_marker_disable = picture_info->resync_marker_disable;
  262.    picture->interlaced = picture_info->interlaced;
  263.    picture->quant_type = picture_info->quant_type;
  264.    picture->quarter_sample = picture_info->quarter_sample;
  265.    picture->short_video_header = picture_info->short_video_header;
  266.    picture->rounding_control = picture_info->rounding_control;
  267.    picture->alternate_vertical_scan_flag = picture_info->alternate_vertical_scan_flag;
  268.    picture->top_field_first = picture_info->top_field_first;
  269.    picture->intra_matrix = picture_info->intra_quantizer_matrix;
  270.    picture->non_intra_matrix = picture_info->non_intra_quantizer_matrix;
  271.  
  272.    return VDP_STATUS_OK;
  273. }
  274.  
  275. static VdpStatus
  276. vlVdpDecoderRenderVC1(struct pipe_vc1_picture_desc *picture,
  277.                       VdpPictureInfoVC1 *picture_info)
  278. {
  279.    VdpStatus r;
  280.  
  281.    VDPAU_MSG(VDPAU_TRACE, "[VDPAU] Decoding VC-1\n");
  282.  
  283.    r = vlVdpGetReferenceFrame(picture_info->forward_reference, &picture->ref[0]);
  284.    if (r != VDP_STATUS_OK)
  285.       return r;
  286.  
  287.    r = vlVdpGetReferenceFrame(picture_info->backward_reference, &picture->ref[1]);
  288.    if (r != VDP_STATUS_OK)
  289.       return r;
  290.  
  291.    picture->slice_count = picture_info->slice_count;
  292.    picture->picture_type = picture_info->picture_type;
  293.    picture->frame_coding_mode = picture_info->frame_coding_mode;
  294.    picture->postprocflag = picture_info->postprocflag;
  295.    picture->pulldown = picture_info->pulldown;
  296.    picture->interlace = picture_info->interlace;
  297.    picture->tfcntrflag = picture_info->tfcntrflag;
  298.    picture->finterpflag = picture_info->finterpflag;
  299.    picture->psf = picture_info->psf;
  300.    picture->dquant = picture_info->dquant;
  301.    picture->panscan_flag = picture_info->panscan_flag;
  302.    picture->refdist_flag = picture_info->refdist_flag;
  303.    picture->quantizer = picture_info->quantizer;
  304.    picture->extended_mv = picture_info->extended_mv;
  305.    picture->extended_dmv = picture_info->extended_dmv;
  306.    picture->overlap = picture_info->overlap;
  307.    picture->vstransform = picture_info->vstransform;
  308.    picture->loopfilter = picture_info->loopfilter;
  309.    picture->fastuvmc = picture_info->fastuvmc;
  310.    picture->range_mapy_flag = picture_info->range_mapy_flag;
  311.    picture->range_mapy = picture_info->range_mapy;
  312.    picture->range_mapuv_flag = picture_info->range_mapuv_flag;
  313.    picture->range_mapuv = picture_info->range_mapuv;
  314.    picture->multires = picture_info->multires;
  315.    picture->syncmarker = picture_info->syncmarker;
  316.    picture->rangered = picture_info->rangered;
  317.    picture->maxbframes = picture_info->maxbframes;
  318.    picture->deblockEnable = picture_info->deblockEnable;
  319.    picture->pquant = picture_info->pquant;
  320.  
  321.    return VDP_STATUS_OK;
  322. }
  323.  
  324. static VdpStatus
  325. vlVdpDecoderRenderH264(struct pipe_h264_picture_desc *picture,
  326.                        VdpPictureInfoH264 *picture_info)
  327. {
  328.    unsigned i;
  329.  
  330.    VDPAU_MSG(VDPAU_TRACE, "[VDPAU] Decoding H264\n");
  331.  
  332.    picture->slice_count = picture_info->slice_count;
  333.    picture->field_order_cnt[0] = picture_info->field_order_cnt[0];
  334.    picture->field_order_cnt[1] = picture_info->field_order_cnt[1];
  335.    picture->is_reference = picture_info->is_reference;
  336.    picture->frame_num = picture_info->frame_num;
  337.    picture->field_pic_flag = picture_info->field_pic_flag;
  338.    picture->bottom_field_flag = picture_info->bottom_field_flag;
  339.    picture->num_ref_frames = picture_info->num_ref_frames;
  340.    picture->mb_adaptive_frame_field_flag = picture_info->mb_adaptive_frame_field_flag;
  341.    picture->constrained_intra_pred_flag = picture_info->constrained_intra_pred_flag;
  342.    picture->weighted_pred_flag = picture_info->weighted_pred_flag;
  343.    picture->weighted_bipred_idc = picture_info->weighted_bipred_idc;
  344.    picture->frame_mbs_only_flag = picture_info->frame_mbs_only_flag;
  345.    picture->transform_8x8_mode_flag = picture_info->transform_8x8_mode_flag;
  346.    picture->chroma_qp_index_offset = picture_info->chroma_qp_index_offset;
  347.    picture->second_chroma_qp_index_offset = picture_info->second_chroma_qp_index_offset;
  348.    picture->pic_init_qp_minus26 = picture_info->pic_init_qp_minus26;
  349.    picture->num_ref_idx_l0_active_minus1 = picture_info->num_ref_idx_l0_active_minus1;
  350.    picture->num_ref_idx_l1_active_minus1 = picture_info->num_ref_idx_l1_active_minus1;
  351.    picture->log2_max_frame_num_minus4 = picture_info->log2_max_frame_num_minus4;
  352.    picture->pic_order_cnt_type = picture_info->pic_order_cnt_type;
  353.    picture->log2_max_pic_order_cnt_lsb_minus4 = picture_info->log2_max_pic_order_cnt_lsb_minus4;
  354.    picture->delta_pic_order_always_zero_flag = picture_info->delta_pic_order_always_zero_flag;
  355.    picture->direct_8x8_inference_flag = picture_info->direct_8x8_inference_flag;
  356.    picture->entropy_coding_mode_flag = picture_info->entropy_coding_mode_flag;
  357.    picture->pic_order_present_flag = picture_info->pic_order_present_flag;
  358.    picture->deblocking_filter_control_present_flag = picture_info->deblocking_filter_control_present_flag;
  359.    picture->redundant_pic_cnt_present_flag = picture_info->redundant_pic_cnt_present_flag;
  360.  
  361.    memcpy(picture->scaling_lists_4x4, picture_info->scaling_lists_4x4, 6*16);
  362.    memcpy(picture->scaling_lists_8x8, picture_info->scaling_lists_8x8, 2*64);
  363.  
  364.    for (i = 0; i < 16; ++i) {
  365.       VdpStatus ret = vlVdpGetReferenceFrame
  366.       (
  367.          picture_info->referenceFrames[i].surface,
  368.          &picture->ref[i]
  369.       );
  370.       if (ret != VDP_STATUS_OK)
  371.          return ret;
  372.  
  373.       picture->is_long_term[i] = picture_info->referenceFrames[i].is_long_term;
  374.       picture->top_is_reference[i] = picture_info->referenceFrames[i].top_is_reference;
  375.       picture->bottom_is_reference[i] = picture_info->referenceFrames[i].bottom_is_reference;
  376.       picture->field_order_cnt_list[i][0] = picture_info->referenceFrames[i].field_order_cnt[0];
  377.       picture->field_order_cnt_list[i][1] = picture_info->referenceFrames[i].field_order_cnt[1];
  378.       picture->frame_num_list[i] = picture_info->referenceFrames[i].frame_idx;
  379.    }
  380.  
  381.    return VDP_STATUS_OK;
  382. }
  383.  
  384. static void
  385. vlVdpDecoderFixVC1Startcode(uint32_t *num_buffers, const void *buffers[], unsigned sizes[])
  386. {
  387.    static const uint8_t vc1_startcode[] = { 0x00, 0x00, 0x01, 0x0D };
  388.    struct vl_vlc vlc;
  389.    unsigned i;
  390.  
  391.    /* search the first 64 bytes for a startcode */
  392.    vl_vlc_init(&vlc, *num_buffers, buffers, sizes);
  393.    for (i = 0; i < 64 && vl_vlc_bits_left(&vlc) >= 32; ++i) {
  394.       uint32_t value = vl_vlc_peekbits(&vlc, 32);
  395.       if (value == 0x0000010D ||
  396.           value == 0x0000010C ||
  397.           value == 0x0000010B)
  398.          return;
  399.       vl_vlc_eatbits(&vlc, 8);
  400.       vl_vlc_fillbits(&vlc);
  401.    }
  402.  
  403.    /* none found, ok add one manually */
  404.    VDPAU_MSG(VDPAU_TRACE, "[VDPAU] Manually adding VC-1 startcode\n");
  405.    for (i = *num_buffers; i > 0; --i) {
  406.       buffers[i] = buffers[i - 1];
  407.       sizes[i] = sizes[i - 1];
  408.    }
  409.    ++(*num_buffers);
  410.    buffers[0] = vc1_startcode;
  411.    sizes[0] = 4;
  412. }
  413.  
  414. /**
  415.  * Decode a compressed field/frame and render the result into a VdpVideoSurface.
  416.  */
  417. VdpStatus
  418. vlVdpDecoderRender(VdpDecoder decoder,
  419.                    VdpVideoSurface target,
  420.                    VdpPictureInfo const *picture_info,
  421.                    uint32_t bitstream_buffer_count,
  422.                    VdpBitstreamBuffer const *bitstream_buffers)
  423. {
  424.    const void * buffers[bitstream_buffer_count + 1];
  425.    unsigned sizes[bitstream_buffer_count + 1];
  426.    vlVdpDecoder *vldecoder;
  427.    vlVdpSurface *vlsurf;
  428.    VdpStatus ret;
  429.    struct pipe_screen *screen;
  430.    struct pipe_video_decoder *dec;
  431.    bool buffer_support[2];
  432.    unsigned i;
  433.    union {
  434.       struct pipe_picture_desc base;
  435.       struct pipe_mpeg12_picture_desc mpeg12;
  436.       struct pipe_mpeg4_picture_desc mpeg4;
  437.       struct pipe_vc1_picture_desc vc1;
  438.       struct pipe_h264_picture_desc h264;
  439.    } desc;
  440.  
  441.    if (!(picture_info && bitstream_buffers))
  442.       return VDP_STATUS_INVALID_POINTER;
  443.  
  444.    vldecoder = (vlVdpDecoder *)vlGetDataHTAB(decoder);
  445.    if (!vldecoder)
  446.       return VDP_STATUS_INVALID_HANDLE;
  447.    dec = vldecoder->decoder;
  448.    screen = dec->context->screen;
  449.  
  450.    vlsurf = (vlVdpSurface *)vlGetDataHTAB(target);
  451.    if (!vlsurf)
  452.       return VDP_STATUS_INVALID_HANDLE;
  453.  
  454.    if (vlsurf->device != vldecoder->device)
  455.       return VDP_STATUS_HANDLE_DEVICE_MISMATCH;
  456.  
  457.    if (vlsurf->video_buffer != NULL && vlsurf->video_buffer->chroma_format != dec->chroma_format)
  458.       // TODO: Recreate decoder with correct chroma
  459.       return VDP_STATUS_INVALID_CHROMA_TYPE;
  460.  
  461.    pipe_mutex_lock(vlsurf->device->mutex);
  462.  
  463.    buffer_support[0] = screen->get_video_param(screen, dec->profile, PIPE_VIDEO_CAP_SUPPORTS_PROGRESSIVE);
  464.    buffer_support[1] = screen->get_video_param(screen, dec->profile, PIPE_VIDEO_CAP_SUPPORTS_INTERLACED);
  465.  
  466.    if (vlsurf->video_buffer == NULL ||
  467.        !screen->is_video_format_supported(screen, vlsurf->video_buffer->buffer_format, dec->profile) ||
  468.        !buffer_support[vlsurf->video_buffer->interlaced]) {
  469.  
  470.       /* destroy the old one */
  471.       if (vlsurf->video_buffer)
  472.          vlsurf->video_buffer->destroy(vlsurf->video_buffer);
  473.  
  474.       /* set the buffer format to the prefered one */
  475.       vlsurf->templat.buffer_format = screen->get_video_param(screen, dec->profile, PIPE_VIDEO_CAP_PREFERED_FORMAT);
  476.  
  477.       /* also set interlacing to decoders preferences */
  478.       vlsurf->templat.interlaced = screen->get_video_param(screen, dec->profile, PIPE_VIDEO_CAP_PREFERS_INTERLACED);
  479.  
  480.       /* and recreate the video buffer */
  481.       vlsurf->video_buffer = dec->context->create_video_buffer(dec->context, &vlsurf->templat);
  482.  
  483.       /* still no luck? get me out of here... */
  484.       if (!vlsurf->video_buffer) {
  485.          pipe_mutex_unlock(vlsurf->device->mutex);
  486.          return VDP_STATUS_NO_IMPLEMENTATION;
  487.       }
  488.       vlVdpVideoSurfaceClear(vlsurf);
  489.    }
  490.  
  491.    for (i = 0; i < bitstream_buffer_count; ++i) {
  492.       buffers[i] = bitstream_buffers[i].bitstream;
  493.       sizes[i] = bitstream_buffers[i].bitstream_bytes;
  494.    }
  495.  
  496.    memset(&desc, 0, sizeof(desc));
  497.    desc.base.profile = dec->profile;
  498.    switch (u_reduce_video_profile(dec->profile)) {
  499.    case PIPE_VIDEO_CODEC_MPEG12:
  500.       ret = vlVdpDecoderRenderMpeg12(&desc.mpeg12, (VdpPictureInfoMPEG1Or2 *)picture_info);
  501.       break;
  502.    case PIPE_VIDEO_CODEC_MPEG4:
  503.       ret = vlVdpDecoderRenderMpeg4(&desc.mpeg4, (VdpPictureInfoMPEG4Part2 *)picture_info);
  504.       break;
  505.    case PIPE_VIDEO_CODEC_VC1:
  506.       if (dec->profile == PIPE_VIDEO_PROFILE_VC1_ADVANCED)
  507.          vlVdpDecoderFixVC1Startcode(&bitstream_buffer_count, buffers, sizes);
  508.       ret = vlVdpDecoderRenderVC1(&desc.vc1, (VdpPictureInfoVC1 *)picture_info);
  509.       break;
  510.    case PIPE_VIDEO_CODEC_MPEG4_AVC:
  511.       ret = vlVdpDecoderRenderH264(&desc.h264, (VdpPictureInfoH264 *)picture_info);
  512.       break;
  513.    default:
  514.       pipe_mutex_unlock(vlsurf->device->mutex);
  515.       return VDP_STATUS_INVALID_DECODER_PROFILE;
  516.    }
  517.  
  518.    if (ret != VDP_STATUS_OK) {
  519.       pipe_mutex_unlock(vlsurf->device->mutex);
  520.       return ret;
  521.    }
  522.  
  523.    dec->begin_frame(dec, vlsurf->video_buffer, &desc.base);
  524.    dec->decode_bitstream(dec, vlsurf->video_buffer, &desc.base, bitstream_buffer_count, buffers, sizes);
  525.    dec->end_frame(dec, vlsurf->video_buffer, &desc.base);
  526.    pipe_mutex_unlock(vlsurf->device->mutex);
  527.    return ret;
  528. }
  529.