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提交 cbe3f28d 编写于 作者: D Derek Buitenhuis
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Merge commit '8d34a2f8' 

* commit '8d34a2f8':
  vdpau: Support for VDPAU accelerated HEVC decoding
Merged-by: NDerek Buitenhuis <derek.buitenhuis@gmail.com>
上级 14663790 8d34a2f8
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Showing with 87 addition and 98 deletion
libavcodec/vdpau_hevc.c
浏览文件 @ cbe3f28d
......@@ -53,8 +53,8 @@ static int vdpau_hevc_start_frame(AVCodecContext *avctx,
info->bit_depth_luma_minus8 = sps->bit_depth - 8;
info->bit_depth_chroma_minus8 = sps->bit_depth - 8;
info->log2_max_pic_order_cnt_lsb_minus4 = sps->log2_max_poc_lsb - 4;
/** Provides the value corresponding to the nuh_temporal_id of the frame
to be decoded. */
/* Provide the value corresponding to the nuh_temporal_id of the frame
to be decoded. */
info->sps_max_dec_pic_buffering_minus1 = sps->temporal_layer[sps->max_sub_layers - 1].max_dec_pic_buffering - 1;
info->log2_min_luma_coding_block_size_minus3 = sps->log2_min_cb_size - 3;
info->log2_diff_max_min_luma_coding_block_size = sps->log2_diff_max_min_coding_block_size;
......@@ -63,34 +63,34 @@ static int vdpau_hevc_start_frame(AVCodecContext *avctx,
info->max_transform_hierarchy_depth_inter = sps->max_transform_hierarchy_depth_inter;
info->max_transform_hierarchy_depth_intra = sps->max_transform_hierarchy_depth_intra;
info->scaling_list_enabled_flag = sps->scaling_list_enable_flag;
/** Scaling lists, in diagonal order, to be used for this frame. */
/* Scaling lists, in diagonal order, to be used for this frame. */
for (size_t i = 0; i < 6; i++) {
for (size_t j = 0; j < 16; j++) {
/** Scaling List for 4x4 quantization matrix,
indexed as ScalingList4x4[matrixId][i]. */
/* Scaling List for 4x4 quantization matrix,
indexed as ScalingList4x4[matrixId][i]. */
uint8_t pos = 4 * ff_hevc_diag_scan4x4_y[j] + ff_hevc_diag_scan4x4_x[j];
info->ScalingList4x4[i][j] = sl->sl[0][i][pos];
}
for (size_t j = 0; j < 64; j++) {
uint8_t pos = 8 * ff_hevc_diag_scan8x8_y[j] + ff_hevc_diag_scan8x8_x[j];
/** Scaling List for 8x8 quantization matrix,
indexed as ScalingList8x8[matrixId][i]. */
/* Scaling List for 8x8 quantization matrix,
indexed as ScalingList8x8[matrixId][i]. */
info->ScalingList8x8[i][j] = sl->sl[1][i][pos];
/** Scaling List for 16x16 quantization matrix,
indexed as ScalingList16x16[matrixId][i]. */
/* Scaling List for 16x16 quantization matrix,
indexed as ScalingList16x16[matrixId][i]. */
info->ScalingList16x16[i][j] = sl->sl[2][i][pos];
if (i < 2) {
/** Scaling List for 32x32 quantization matrix,
indexed as ScalingList32x32[matrixId][i]. */
/* Scaling List for 32x32 quantization matrix,
indexed as ScalingList32x32[matrixId][i]. */
info->ScalingList32x32[i][j] = sl->sl[3][i * 3][pos];
}
}
/** Scaling List DC Coefficients for 16x16,
indexed as ScalingListDCCoeff16x16[matrixId]. */
/* Scaling List DC Coefficients for 16x16,
indexed as ScalingListDCCoeff16x16[matrixId]. */
info->ScalingListDCCoeff16x16[i] = sl->sl_dc[0][i];
if (i < 2) {
/** Scaling List DC Coefficients for 32x32,
indexed as ScalingListDCCoeff32x32[matrixId]. */
/* Scaling List DC Coefficients for 32x32,
indexed as ScalingListDCCoeff32x32[matrixId]. */
info->ScalingListDCCoeff32x32[i] = sl->sl_dc[1][i * 3];
}
}
......@@ -98,32 +98,28 @@ static int vdpau_hevc_start_frame(AVCodecContext *avctx,
info->sample_adaptive_offset_enabled_flag = sps->sao_enabled;
info->pcm_enabled_flag = sps->pcm_enabled_flag;
if (info->pcm_enabled_flag) {
/** Only needs to be set if pcm_enabled_flag is set. Ignored otherwise. */
/* Only needs to be set if pcm_enabled_flag is set. Ignored otherwise. */
info->pcm_sample_bit_depth_luma_minus1 = sps->pcm.bit_depth - 1;
/** Only needs to be set if pcm_enabled_flag is set. Ignored otherwise. */
/* Only needs to be set if pcm_enabled_flag is set. Ignored otherwise. */
info->pcm_sample_bit_depth_chroma_minus1 = sps->pcm.bit_depth_chroma - 1;
/** Only needs to be set if pcm_enabled_flag is set. Ignored otherwise. */
/* Only needs to be set if pcm_enabled_flag is set. Ignored otherwise. */
info->log2_min_pcm_luma_coding_block_size_minus3 = sps->pcm.log2_min_pcm_cb_size - 3;
/** Only needs to be set if pcm_enabled_flag is set. Ignored otherwise. */
/* Only needs to be set if pcm_enabled_flag is set. Ignored otherwise. */
info->log2_diff_max_min_pcm_luma_coding_block_size = sps->pcm.log2_max_pcm_cb_size - sps->pcm.log2_min_pcm_cb_size;
/** Only needs to be set if pcm_enabled_flag is set. Ignored otherwise. */
/* Only needs to be set if pcm_enabled_flag is set. Ignored otherwise. */
info->pcm_loop_filter_disabled_flag = sps->pcm.loop_filter_disable_flag;
}
/** Per spec, when zero, assume short_term_ref_pic_set_sps_flag
is also zero. */
/* Per spec, when zero, assume short_term_ref_pic_set_sps_flag
is also zero. */
info->num_short_term_ref_pic_sets = sps->nb_st_rps;
info->long_term_ref_pics_present_flag = sps->long_term_ref_pics_present_flag;
/** Only needed if long_term_ref_pics_present_flag is set. Ignored
otherwise. */
/* Only needed if long_term_ref_pics_present_flag is set. Ignored
otherwise. */
info->num_long_term_ref_pics_sps = sps->num_long_term_ref_pics_sps;
info->sps_temporal_mvp_enabled_flag = sps->sps_temporal_mvp_enabled_flag;
info->strong_intra_smoothing_enabled_flag = sps->sps_strong_intra_smoothing_enable_flag;
/** @} */
/** \name HEVC Picture Parameter Set
*
* Copies of the HEVC Picture Parameter Set bitstream fields.
* @{ */
/* Copy the HEVC Picture Parameter Set bitstream fields. */
info->dependent_slice_segments_enabled_flag = pps->dependent_slice_segments_enabled_flag;
info->output_flag_present_flag = pps->output_flag_present_flag;
info->num_extra_slice_header_bits = pps->num_extra_slice_header_bits;
......@@ -135,7 +131,7 @@ static int vdpau_hevc_start_frame(AVCodecContext *avctx,
info->constrained_intra_pred_flag = pps->constrained_intra_pred_flag;
info->transform_skip_enabled_flag = pps->transform_skip_enabled_flag;
info->cu_qp_delta_enabled_flag = pps->cu_qp_delta_enabled_flag;
/** Only needed if cu_qp_delta_enabled_flag is set. Ignored otherwise. */
/* Only needed if cu_qp_delta_enabled_flag is set. Ignored otherwise. */
info->diff_cu_qp_delta_depth = pps->diff_cu_qp_delta_depth;
info->pps_cb_qp_offset = pps->cb_qp_offset;
info->pps_cr_qp_offset = pps->cr_qp_offset;
......@@ -146,58 +142,53 @@ static int vdpau_hevc_start_frame(AVCodecContext *avctx,
info->tiles_enabled_flag = pps->tiles_enabled_flag;
info->entropy_coding_sync_enabled_flag = pps->entropy_coding_sync_enabled_flag;
if (info->tiles_enabled_flag) {
/** Only valid if tiles_enabled_flag is set. Ignored otherwise. */
/* Only valid if tiles_enabled_flag is set. Ignored otherwise. */
info->num_tile_columns_minus1 = pps->num_tile_columns - 1;
/** Only valid if tiles_enabled_flag is set. Ignored otherwise. */
/* Only valid if tiles_enabled_flag is set. Ignored otherwise. */
info->num_tile_rows_minus1 = pps->num_tile_rows - 1;
/** Only valid if tiles_enabled_flag is set. Ignored otherwise. */
/* Only valid if tiles_enabled_flag is set. Ignored otherwise. */
info->uniform_spacing_flag = pps->uniform_spacing_flag;
/** Only need to set 0..num_tile_columns_minus1. The struct
definition reserves up to the maximum of 20. Invalid values are
ignored. */
/* Only need to set 0..num_tile_columns_minus1. The struct
definition reserves up to the maximum of 20. Invalid values are
ignored. */
for (ssize_t i = 0; i < pps->num_tile_columns; i++) {
info->column_width_minus1[i] = pps->column_width[i] - 1;
}
/** Only need to set 0..num_tile_rows_minus1. The struct
definition reserves up to the maximum of 22. Invalid values are
ignored.*/
/* Only need to set 0..num_tile_rows_minus1. The struct
definition reserves up to the maximum of 22. Invalid values are
ignored.*/
for (ssize_t i = 0; i < pps->num_tile_rows; i++) {
info->row_height_minus1[i] = pps->row_height[i] - 1;
}
/** Only needed if tiles_enabled_flag is set. Invalid values are
ignored. */
/* Only needed if tiles_enabled_flag is set. Invalid values are
ignored. */
info->loop_filter_across_tiles_enabled_flag = pps->loop_filter_across_tiles_enabled_flag;
}
info->pps_loop_filter_across_slices_enabled_flag = pps->seq_loop_filter_across_slices_enabled_flag;
info->deblocking_filter_control_present_flag = pps->deblocking_filter_control_present_flag;
/** Only valid if deblocking_filter_control_present_flag is set. Ignored
otherwise. */
/* Only valid if deblocking_filter_control_present_flag is set. Ignored
otherwise. */
info->deblocking_filter_override_enabled_flag = pps->deblocking_filter_override_enabled_flag;
/** Only valid if deblocking_filter_control_present_flag is set. Ignored
otherwise. */
/* Only valid if deblocking_filter_control_present_flag is set. Ignored
otherwise. */
info->pps_deblocking_filter_disabled_flag = pps->disable_dbf;
/** Only valid if deblocking_filter_control_present_flag is set and
pps_deblocking_filter_disabled_flag is not set. Ignored otherwise.*/
/* Only valid if deblocking_filter_control_present_flag is set and
pps_deblocking_filter_disabled_flag is not set. Ignored otherwise.*/
info->pps_beta_offset_div2 = pps->beta_offset / 2;
/** Only valid if deblocking_filter_control_present_flag is set and
pps_deblocking_filter_disabled_flag is not set. Ignored otherwise. */
/* Only valid if deblocking_filter_control_present_flag is set and
pps_deblocking_filter_disabled_flag is not set. Ignored otherwise. */
info->pps_tc_offset_div2 = pps->tc_offset / 2;
info->lists_modification_present_flag = pps->lists_modification_present_flag;
info->log2_parallel_merge_level_minus2 = pps->log2_parallel_merge_level - 2;
info->slice_segment_header_extension_present_flag = pps->slice_header_extension_present_flag;
/** \name HEVC Slice Segment Header
*
* Copies of the HEVC Slice Segment Header bitstream fields and calculated
* values detailed in the specification.
* @{ */
/** Set to 1 if nal_unit_type is equal to IDR_W_RADL or IDR_N_LP.
Set to zero otherwise. */
/* Set to 1 if nal_unit_type is equal to IDR_W_RADL or IDR_N_LP.
Set to zero otherwise. */
info->IDRPicFlag = IS_IDR(h);
/** Set to 1 if nal_unit_type in the range of BLA_W_LP to
RSV_IRAP_VCL23, inclusive. Set to zero otherwise.*/
/* Set to 1 if nal_unit_type in the range of BLA_W_LP to
RSV_IRAP_VCL23, inclusive. Set to zero otherwise.*/
info->RAPPicFlag = IS_IRAP(h);
/** See section 7.4.7.1 of the specification. */
/* See section 7.4.7.1 of the specification. */
info->CurrRpsIdx = sps->nb_st_rps;
if (sh->short_term_ref_pic_set_sps_flag == 1) {
for (size_t i = 0; i < sps->nb_st_rps; i++) {
......@@ -207,35 +198,33 @@ static int vdpau_hevc_start_frame(AVCodecContext *avctx,
}
}
}
/** See section 7.4.7.2 of the specification. */
/* See section 7.4.7.2 of the specification. */
info->NumPocTotalCurr = ff_hevc_frame_nb_refs(h);
if (sh->short_term_ref_pic_set_sps_flag == 0 && sh->short_term_rps) {
/** Corresponds to specification field, NumDeltaPocs[RefRpsIdx].
Only applicable when short_term_ref_pic_set_sps_flag == 0.
Implementations will ignore this value in other cases. See 7.4.8. */
/* Corresponds to specification field, NumDeltaPocs[RefRpsIdx].
Only applicable when short_term_ref_pic_set_sps_flag == 0.
Implementations will ignore this value in other cases. See 7.4.8. */
info->NumDeltaPocsOfRefRpsIdx = sh->short_term_rps->rps_idx_num_delta_pocs;
}
/** Section 7.6.3.1 of the H.265/HEVC Specification defines the syntax of
the slice_segment_header. This header contains information that
some VDPAU implementations may choose to skip. The VDPAU API
requires client applications to track the number of bits used in the
slice header for structures associated with short term and long term
reference pictures. First, VDPAU requires the number of bits used by
the short_term_ref_pic_set array in the slice_segment_header. */
/* Section 7.6.3.1 of the H.265/HEVC Specification defines the syntax of
the slice_segment_header. This header contains information that
some VDPAU implementations may choose to skip. The VDPAU API
requires client applications to track the number of bits used in the
slice header for structures associated with short term and long term
reference pictures. First, VDPAU requires the number of bits used by
the short_term_ref_pic_set array in the slice_segment_header. */
info->NumShortTermPictureSliceHeaderBits = sh->short_term_ref_pic_set_size;
/** Second, VDPAU requires the number of bits used for long term reference
pictures in the slice_segment_header. This is equal to the number
of bits used for the contents of the block beginning with
"if(long_term_ref_pics_present_flag)". */
/* Second, VDPAU requires the number of bits used for long term reference
pictures in the slice_segment_header. This is equal to the number
of bits used for the contents of the block beginning with
"if(long_term_ref_pics_present_flag)". */
info->NumLongTermPictureSliceHeaderBits = sh->long_term_ref_pic_set_size;
/** @} */
/** Slice Decoding Process - Picture Order Count */
/** The value of PicOrderCntVal of the picture in the access unit
containing the SEI message. The picture being decoded. */
/* The value of PicOrderCntVal of the picture in the access unit
containing the SEI message. The picture being decoded. */
info->CurrPicOrderCntVal = h->poc;
/** Slice Decoding Process - Reference Picture Sets */
/* Slice Decoding Process - Reference Picture Sets */
for (size_t i = 0; i < 16; i++) {
info->RefPics[i] = VDP_INVALID_HANDLE;
info->PicOrderCntVal[i] = 0;
......@@ -251,15 +240,15 @@ static int vdpau_hevc_start_frame(AVCodecContext *avctx,
"This frame may not be decoded correctly.\n");
break;
}
/** Array of video reference surfaces.
Set any unused positions to VDP_INVALID_HANDLE. */
/* Array of video reference surfaces.
Set any unused positions to VDP_INVALID_HANDLE. */
info->RefPics[j] = ff_vdpau_get_surface_id(frame->frame);
/** Array of picture order counts. These correspond to positions
in the RefPics array. */
/* Array of picture order counts. These correspond to positions
in the RefPics array. */
info->PicOrderCntVal[j] = frame->poc;
/** Array used to specify whether a particular RefPic is
a long term reference. A value of "1" indicates a long-term
reference. */
/* Array used to specify whether a particular RefPic is
a long term reference. A value of "1" indicates a long-term
reference. */
// XXX: Setting this caused glitches in the nvidia implementation
// Always setting it to zero, produces correct results
//info->IsLongTerm[j] = frame->flags & HEVC_FRAME_FLAG_LONG_REF;
......@@ -267,8 +256,8 @@ static int vdpau_hevc_start_frame(AVCodecContext *avctx,
j++;
}
}
/** Copy of specification field, see Section 8.3.2 of the
H.265/HEVC Specification. */
/* Copy of specification field, see Section 8.3.2 of the
H.265/HEVC Specification. */
info->NumPocStCurrBefore = h->rps[ST_CURR_BEF].nb_refs;
if (info->NumPocStCurrBefore > 8) {
av_log(avctx, AV_LOG_WARNING,
......@@ -276,8 +265,8 @@ static int vdpau_hevc_start_frame(AVCodecContext *avctx,
"This frame may not be decoded correctly.\n");
info->NumPocStCurrBefore = 8;
}
/** Copy of specification field, see Section 8.3.2 of the
H.265/HEVC Specification. */
/* Copy of specification field, see Section 8.3.2 of the
H.265/HEVC Specification. */
info->NumPocStCurrAfter = h->rps[ST_CURR_AFT].nb_refs;
if (info->NumPocStCurrAfter > 8) {
av_log(avctx, AV_LOG_WARNING,
......@@ -285,8 +274,8 @@ static int vdpau_hevc_start_frame(AVCodecContext *avctx,
"This frame may not be decoded correctly.\n");
info->NumPocStCurrAfter = 8;
}
/** Copy of specification field, see Section 8.3.2 of the
H.265/HEVC Specification. */
/* Copy of specification field, see Section 8.3.2 of the
H.265/HEVC Specification. */
info->NumPocLtCurr = h->rps[LT_CURR].nb_refs;
if (info->NumPocLtCurr > 8) {
av_log(avctx, AV_LOG_WARNING,
......@@ -294,8 +283,8 @@ static int vdpau_hevc_start_frame(AVCodecContext *avctx,
"This frame may not be decoded correctly.\n");
info->NumPocLtCurr = 8;
}
/** Reference Picture Set list, one of the short-term RPS. These
correspond to positions in the RefPics array. */
/* Reference Picture Set list, one of the short-term RPS. These
correspond to positions in the RefPics array. */
for (ssize_t i = 0, j = 0; i < h->rps[ST_CURR_BEF].nb_refs; i++) {
HEVCFrame *frame = h->rps[ST_CURR_BEF].ref[i];
if (frame) {
......@@ -317,8 +306,8 @@ static int vdpau_hevc_start_frame(AVCodecContext *avctx,
av_log(avctx, AV_LOG_WARNING, "missing STR Before frame: %zd\n", i);
}
}
/** Reference Picture Set list, one of the short-term RPS. These
correspond to positions in the RefPics array. */
/* Reference Picture Set list, one of the short-term RPS. These
correspond to positions in the RefPics array. */
for (ssize_t i = 0, j = 0; i < h->rps[ST_CURR_AFT].nb_refs; i++) {
HEVCFrame *frame = h->rps[ST_CURR_AFT].ref[i];
if (frame) {
......@@ -340,8 +329,8 @@ static int vdpau_hevc_start_frame(AVCodecContext *avctx,
av_log(avctx, AV_LOG_WARNING, "missing STR After frame: %zd\n", i);
}
}
/** Reference Picture Set list, one of the long-term RPS. These
correspond to positions in the RefPics array. */
/* Reference Picture Set list, one of the long-term RPS. These
correspond to positions in the RefPics array. */
for (ssize_t i = 0, j = 0; i < h->rps[LT_CURR].nb_refs; i++) {
HEVCFrame *frame = h->rps[LT_CURR].ref[i];
if (frame) {
......
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