--- libavcodec/cbs_h264.h | 24 ++++++++++++++++ libavcodec/cbs_h2645.c | 1 + libavcodec/cbs_h264_syntax_template.c | 40 +++++++++++++++++++++++++++ 3 files changed, 65 insertions(+)
diff --git a/libavcodec/cbs_h264.h b/libavcodec/cbs_h264.h index abc0c1b732..512674ec07 100644 --- a/libavcodec/cbs_h264.h +++ b/libavcodec/cbs_h264.h @@ -296,6 +296,29 @@ typedef struct H264RawSEIRecoveryPoint { uint8_t changing_slice_group_idc; } H264RawSEIRecoveryPoint; +typedef struct H264RawSEIFramePackingArrangement { + uint32_t frame_packing_arrangement_id; + uint8_t frame_packing_arrangement_cancel_flag; + + uint8_t frame_packing_arrangement_type; + uint8_t quincunx_sampling_flag; + uint8_t content_interpretation_type; + uint8_t spatial_flipping_flag; + uint8_t frame0_flipped_flag; + uint8_t field_views_flag; + uint8_t current_frame_is_frame0_flag; + uint8_t frame0_self_contained_flag; + uint8_t frame1_self_contained_flag; + uint8_t frame0_grid_position_x; + uint8_t frame0_grid_position_y; + uint8_t frame1_grid_position_x; + uint8_t frame1_grid_position_y; + uint8_t frame_packing_arrangement_reserved_byte; + uint16_t frame_packing_arrangement_repetition_period; + + uint8_t frame_packing_arrangement_extension_flag; +} H264RawSEIFramePackingArrangement; + typedef struct H264RawSEIDisplayOrientation { uint8_t display_orientation_cancel_flag; uint8_t hor_flip; @@ -329,6 +352,7 @@ typedef struct H264RawSEIPayload { H264RawSEIUserDataRegistered user_data_registered; H264RawSEIUserDataUnregistered user_data_unregistered; H264RawSEIRecoveryPoint recovery_point; + H264RawSEIFramePackingArrangement frame_packing_arrangement; H264RawSEIDisplayOrientation display_orientation; H264RawSEIMasteringDisplayColourVolume mastering_display_colour_volume; H264RawSEIAlternativeTransferCharacteristics diff --git a/libavcodec/cbs_h2645.c b/libavcodec/cbs_h2645.c index f0bd5cacc8..8cea55509b 100644 --- a/libavcodec/cbs_h2645.c +++ b/libavcodec/cbs_h2645.c @@ -1328,6 +1328,7 @@ void ff_cbs_h264_free_sei_payload(H264RawSEIPayload *payload) case H264_SEI_TYPE_PIC_TIMING: case H264_SEI_TYPE_PAN_SCAN_RECT: case H264_SEI_TYPE_RECOVERY_POINT: + case H264_SEI_TYPE_FRAME_PACKING: case H264_SEI_TYPE_DISPLAY_ORIENTATION: case H264_SEI_TYPE_MASTERING_DISPLAY_COLOUR_VOLUME: case H264_SEI_TYPE_ALTERNATIVE_TRANSFER: diff --git a/libavcodec/cbs_h264_syntax_template.c b/libavcodec/cbs_h264_syntax_template.c index 878d348b94..e68944d3b8 100644 --- a/libavcodec/cbs_h264_syntax_template.c +++ b/libavcodec/cbs_h264_syntax_template.c @@ -779,6 +779,42 @@ static int FUNC(sei_recovery_point)(CodedBitstreamContext *ctx, RWContext *rw, return 0; } +static int FUNC(sei_frame_packing_arrangement)(CodedBitstreamContext *ctx, RWContext *rw, + H264RawSEIFramePackingArrangement *current) +{ + int err; + + HEADER("Frame Packing Arrangement"); + + ue(frame_packing_arrangement_id, 0, UINT32_MAX - 1); + 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); + } + u(8, frame_packing_arrangement_reserved_byte, 0, 0); + ue(frame_packing_arrangement_repetition_period, 0, 16384); + } + + flag(frame_packing_arrangement_extension_flag); + + return 0; +} + static int FUNC(sei_display_orientation)(CodedBitstreamContext *ctx, RWContext *rw, H264RawSEIDisplayOrientation *current) { @@ -879,6 +915,10 @@ static int FUNC(sei_payload)(CodedBitstreamContext *ctx, RWContext *rw, CHECK(FUNC(sei_display_orientation) (ctx, rw, ¤t->payload.display_orientation)); break; + case H264_SEI_TYPE_FRAME_PACKING: + CHECK(FUNC(sei_frame_packing_arrangement) + (ctx, rw, ¤t->payload.frame_packing_arrangement)); + break; case H264_SEI_TYPE_MASTERING_DISPLAY_COLOUR_VOLUME: CHECK(FUNC(sei_mastering_display_colour_volume) (ctx, rw, ¤t->payload.mastering_display_colour_volume)); -- 2.25.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".