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author | Michael Niedermayer <michael@niedermayer.cc> | 2015-07-14 01:23:39 +0200 |
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committer | Michael Niedermayer <michael@niedermayer.cc> | 2015-07-14 01:23:39 +0200 |
commit | e17a459af06e222a04b98d1ef59b12e408f061e5 (patch) | |
tree | afc801b39de3147df7e0002d472b167acc36361d /libavcodec/hevc_ps.c | |
parent | db1ab7e5af6aeafb04db153828a266d1d998a78e (diff) | |
parent | 8e373fe048812a25b238ea60a7052b8c07639a42 (diff) | |
download | ffmpeg-e17a459af06e222a04b98d1ef59b12e408f061e5.tar.gz |
Merge commit '8e373fe048812a25b238ea60a7052b8c07639a42'
* commit '8e373fe048812a25b238ea60a7052b8c07639a42':
hevc: Factor out the pixel format mapping from the sps parser
Conflicts:
libavcodec/hevc_ps.c
Merged-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/hevc_ps.c')
-rw-r--r-- | libavcodec/hevc_ps.c | 92 |
1 files changed, 50 insertions, 42 deletions
diff --git a/libavcodec/hevc_ps.c b/libavcodec/hevc_ps.c index f99f9915aa..a91bc4ad7f 100644 --- a/libavcodec/hevc_ps.c +++ b/libavcodec/hevc_ps.c @@ -742,10 +742,56 @@ static int scaling_list_data(GetBitContext *gb, AVCodecContext *avctx, ScalingLi return 0; } +static int map_pixel_format(AVCodecContext *avctx, HEVCSPS *sps) +{ + const AVPixFmtDescriptor *desc; + switch (sps->bit_depth) { + case 8: + if (sps->chroma_format_idc == 0) sps->pix_fmt = AV_PIX_FMT_GRAY8; + if (sps->chroma_format_idc == 1) sps->pix_fmt = AV_PIX_FMT_YUV420P; + if (sps->chroma_format_idc == 2) sps->pix_fmt = AV_PIX_FMT_YUV422P; + if (sps->chroma_format_idc == 3) sps->pix_fmt = AV_PIX_FMT_YUV444P; + break; + case 9: + if (sps->chroma_format_idc == 0) sps->pix_fmt = AV_PIX_FMT_GRAY16; + if (sps->chroma_format_idc == 1) sps->pix_fmt = AV_PIX_FMT_YUV420P9; + if (sps->chroma_format_idc == 2) sps->pix_fmt = AV_PIX_FMT_YUV422P9; + if (sps->chroma_format_idc == 3) sps->pix_fmt = AV_PIX_FMT_YUV444P9; + break; + case 10: + if (sps->chroma_format_idc == 0) sps->pix_fmt = AV_PIX_FMT_GRAY16; + if (sps->chroma_format_idc == 1) sps->pix_fmt = AV_PIX_FMT_YUV420P10; + if (sps->chroma_format_idc == 2) sps->pix_fmt = AV_PIX_FMT_YUV422P10; + if (sps->chroma_format_idc == 3) sps->pix_fmt = AV_PIX_FMT_YUV444P10; + break; + case 12: + if (sps->chroma_format_idc == 0) sps->pix_fmt = AV_PIX_FMT_GRAY16; + if (sps->chroma_format_idc == 1) sps->pix_fmt = AV_PIX_FMT_YUV420P12; + if (sps->chroma_format_idc == 2) sps->pix_fmt = AV_PIX_FMT_YUV422P12; + if (sps->chroma_format_idc == 3) sps->pix_fmt = AV_PIX_FMT_YUV444P12; + break; + default: + av_log(avctx, AV_LOG_ERROR, + "4:2:0, 4:2:2, 4:4:4 supports are currently specified for 8, 10 and 12 bits.\n"); + return AVERROR_INVALIDDATA; + } + + desc = av_pix_fmt_desc_get(sps->pix_fmt); + if (!desc) + return AVERROR(EINVAL); + + sps->hshift[0] = sps->vshift[0] = 0; + sps->hshift[2] = sps->hshift[1] = desc->log2_chroma_w; + sps->vshift[2] = sps->vshift[1] = desc->log2_chroma_h; + + sps->pixel_shift = sps->bit_depth > 8; + + return 0; +} + int ff_hevc_parse_sps(HEVCSPS *sps, GetBitContext *gb, unsigned int *sps_id, int apply_defdispwin, AVBufferRef **vps_list, AVCodecContext *avctx) { - const AVPixFmtDescriptor *desc; int ret = 0; int log2_diff_max_min_transform_block_size; int bit_depth_chroma, start, vui_present, sublayer_ordering_info; @@ -831,47 +877,9 @@ int ff_hevc_parse_sps(HEVCSPS *sps, GetBitContext *gb, unsigned int *sps_id, return AVERROR_INVALIDDATA; } - switch (sps->bit_depth) { - case 8: - if (sps->chroma_format_idc == 0) sps->pix_fmt = AV_PIX_FMT_GRAY8; - if (sps->chroma_format_idc == 1) sps->pix_fmt = AV_PIX_FMT_YUV420P; - if (sps->chroma_format_idc == 2) sps->pix_fmt = AV_PIX_FMT_YUV422P; - if (sps->chroma_format_idc == 3) sps->pix_fmt = AV_PIX_FMT_YUV444P; - break; - case 9: - if (sps->chroma_format_idc == 0) sps->pix_fmt = AV_PIX_FMT_GRAY16; - if (sps->chroma_format_idc == 1) sps->pix_fmt = AV_PIX_FMT_YUV420P9; - if (sps->chroma_format_idc == 2) sps->pix_fmt = AV_PIX_FMT_YUV422P9; - if (sps->chroma_format_idc == 3) sps->pix_fmt = AV_PIX_FMT_YUV444P9; - break; - case 10: - if (sps->chroma_format_idc == 0) sps->pix_fmt = AV_PIX_FMT_GRAY16; - if (sps->chroma_format_idc == 1) sps->pix_fmt = AV_PIX_FMT_YUV420P10; - if (sps->chroma_format_idc == 2) sps->pix_fmt = AV_PIX_FMT_YUV422P10; - if (sps->chroma_format_idc == 3) sps->pix_fmt = AV_PIX_FMT_YUV444P10; - break; - case 12: - if (sps->chroma_format_idc == 0) sps->pix_fmt = AV_PIX_FMT_GRAY16; - if (sps->chroma_format_idc == 1) sps->pix_fmt = AV_PIX_FMT_YUV420P12; - if (sps->chroma_format_idc == 2) sps->pix_fmt = AV_PIX_FMT_YUV422P12; - if (sps->chroma_format_idc == 3) sps->pix_fmt = AV_PIX_FMT_YUV444P12; - break; - default: - av_log(avctx, AV_LOG_ERROR, - "4:2:0, 4:2:2, 4:4:4 supports are currently specified for 8, 10 and 12 bits.\n"); - return AVERROR_INVALIDDATA; - } - - desc = av_pix_fmt_desc_get(sps->pix_fmt); - if (!desc) { - return AVERROR(EINVAL); - } - - sps->hshift[0] = sps->vshift[0] = 0; - sps->hshift[2] = sps->hshift[1] = desc->log2_chroma_w; - sps->vshift[2] = sps->vshift[1] = desc->log2_chroma_h; - - sps->pixel_shift = sps->bit_depth > 8; + ret = map_pixel_format(avctx, sps); + if (ret < 0) + return ret; sps->log2_max_poc_lsb = get_ue_golomb_long(gb) + 4; if (sps->log2_max_poc_lsb > 16) { |