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author | James Almer <jamrial@gmail.com> | 2024-06-26 20:12:57 -0300 |
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committer | James Almer <jamrial@gmail.com> | 2024-06-28 13:16:57 -0300 |
commit | 826f55d5b3dd3895caf5aeb4da5458cd2f80e192 (patch) | |
tree | 6fbf8a828fd0650fdd75da30692db5861e2b20b3 /libavcodec/cbs_h264_syntax_template.c | |
parent | 0cb733d276477185d2983005851e92c0bf9946e0 (diff) | |
download | ffmpeg-826f55d5b3dd3895caf5aeb4da5458cd2f80e192.tar.gz |
avcodec/cbs_sei: add support for Frame Packing Arrangement SEI parsing
Signed-off-by: James Almer <jamrial@gmail.com>
Diffstat (limited to 'libavcodec/cbs_h264_syntax_template.c')
-rw-r--r-- | libavcodec/cbs_h264_syntax_template.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/libavcodec/cbs_h264_syntax_template.c b/libavcodec/cbs_h264_syntax_template.c index 4d2d303722..9d0386c24d 100644 --- a/libavcodec/cbs_h264_syntax_template.c +++ b/libavcodec/cbs_h264_syntax_template.c @@ -801,6 +801,40 @@ SEI_FUNC(film_grain_characteristics, (CodedBitstreamContext *ctx, RWContext *rw, return 0; } +SEI_FUNC(sei_frame_packing_arrangement, (CodedBitstreamContext *ctx, RWContext *rw, + H264RawSEIFramePackingArrangement *current, + SEIMessageState *sei)) +{ + int err; + + HEADER("Frame Packing Arrangement"); + + ue(frame_packing_arrangement_id, 0, MAX_UINT_BITS(31)); + flag(frame_packing_arrangement_cancel_flag); + if (!current->frame_packing_arrangement_cancel_flag) { + u(7, frame_packing_arrangement_type, 0, 7); + flag(quincunx_sampling_flag); + u(6, content_interpretation_type, 0, 2); + flag(spatial_flipping_flag); + flag(frame0_flipped_flag); + flag(field_views_flag); + flag(current_frame_is_frame0_flag); + flag(frame0_self_contained_flag); + flag(frame1_self_contained_flag); + if (!current->quincunx_sampling_flag && current->frame_packing_arrangement_type != 5) { + ub(4, frame0_grid_position_x); + ub(4, frame0_grid_position_y); + ub(4, frame1_grid_position_x); + ub(4, frame1_grid_position_y); + } + fixed(8, frame_packing_arrangement_reserved_byte, 0); + ue(frame_packing_arrangement_repetition_period, 0, 16384); + } + flag(frame_packing_arrangement_extension_flag); + + return 0; +} + SEI_FUNC(sei_display_orientation, (CodedBitstreamContext *ctx, RWContext *rw, H264RawSEIDisplayOrientation *current, SEIMessageState *sei)) |