From a687fb997097ac1d1870b6de5160d45e5f57e871 Mon Sep 17 00:00:00 2001 From: James Almer Date: Sun, 30 Apr 2017 11:34:06 -0300 Subject: avcodec/hevcdec: move SEI message parsing into a separate header It doesn't depend on hevcdec anymore. Reviewed-by: Hendrik Leppkes Reviewed-by: Aaron Levinson Signed-off-by: James Almer --- libavcodec/hevc_sei.h | 128 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 128 insertions(+) create mode 100644 libavcodec/hevc_sei.h (limited to 'libavcodec/hevc_sei.h') diff --git a/libavcodec/hevc_sei.h b/libavcodec/hevc_sei.h new file mode 100644 index 0000000000..5645e4f5de --- /dev/null +++ b/libavcodec/hevc_sei.h @@ -0,0 +1,128 @@ +/* + * HEVC Supplementary Enhancement Information messages + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVCODEC_HEVC_SEI_H +#define AVCODEC_HEVC_SEI_H + +#include + +#include "libavutil/md5.h" + +#include "get_bits.h" + +/** + * SEI message types + */ +typedef enum { + HEVC_SEI_TYPE_BUFFERING_PERIOD = 0, + HEVC_SEI_TYPE_PICTURE_TIMING = 1, + HEVC_SEI_TYPE_PAN_SCAN_RECT = 2, + HEVC_SEI_TYPE_FILLER_PAYLOAD = 3, + HEVC_SEI_TYPE_USER_DATA_REGISTERED_ITU_T_T35 = 4, + HEVC_SEI_TYPE_USER_DATA_UNREGISTERED = 5, + HEVC_SEI_TYPE_RECOVERY_POINT = 6, + HEVC_SEI_TYPE_SCENE_INFO = 9, + HEVC_SEI_TYPE_FULL_FRAME_SNAPSHOT = 15, + HEVC_SEI_TYPE_PROGRESSIVE_REFINEMENT_SEGMENT_START = 16, + HEVC_SEI_TYPE_PROGRESSIVE_REFINEMENT_SEGMENT_END = 17, + HEVC_SEI_TYPE_FILM_GRAIN_CHARACTERISTICS = 19, + HEVC_SEI_TYPE_POST_FILTER_HINT = 22, + HEVC_SEI_TYPE_TONE_MAPPING_INFO = 23, + HEVC_SEI_TYPE_FRAME_PACKING = 45, + HEVC_SEI_TYPE_DISPLAY_ORIENTATION = 47, + HEVC_SEI_TYPE_SOP_DESCRIPTION = 128, + HEVC_SEI_TYPE_ACTIVE_PARAMETER_SETS = 129, + HEVC_SEI_TYPE_DECODING_UNIT_INFO = 130, + HEVC_SEI_TYPE_TEMPORAL_LEVEL0_INDEX = 131, + HEVC_SEI_TYPE_DECODED_PICTURE_HASH = 132, + HEVC_SEI_TYPE_SCALABLE_NESTING = 133, + HEVC_SEI_TYPE_REGION_REFRESH_INFO = 134, + HEVC_SEI_TYPE_MASTERING_DISPLAY_INFO = 137, + HEVC_SEI_TYPE_CONTENT_LIGHT_LEVEL_INFO = 144, +} HEVC_SEI_Type; + +typedef struct HEVCSEIPictureHash { + struct AVMD5 *md5_ctx; + uint8_t md5[3][16]; + uint8_t is_md5; +} HEVCSEIPictureHash; + +typedef struct HEVCSEIFramePacking { + int present; + int arrangement_type; + int content_interpretation_type; + int quincunx_subsampling; +} HEVCSEIFramePacking; + +typedef struct HEVCSEIDisplayOrientation { + int present; + int anticlockwise_rotation; + int hflip, vflip; +} HEVCSEIDisplayOrientation; + +typedef struct HEVCSEIPictureTiming { + int picture_struct; +} HEVCSEIPictureTiming; + +typedef struct HEVCSEIA53Caption { + int a53_caption_size; + uint8_t *a53_caption; +} HEVCSEIA53Caption; + +typedef struct HEVCSEIMasteringDisplay { + int present; + uint16_t display_primaries[3][2]; + uint16_t white_point[2]; + uint32_t max_luminance; + uint32_t min_luminance; +} HEVCSEIMasteringDisplay; + +typedef struct HEVCSEIContentLight { + int present; + uint16_t max_content_light_level; + uint16_t max_pic_average_light_level; +} HEVCSEIContentLight; + +typedef struct HEVCSEIContext { + HEVCSEIPictureHash picture_hash; + HEVCSEIFramePacking frame_packing; + HEVCSEIDisplayOrientation display_orientation; + HEVCSEIPictureTiming picture_timing; + HEVCSEIA53Caption a53_caption; + HEVCSEIMasteringDisplay mastering_display; + HEVCSEIContentLight content_light; + int active_seq_parameter_set_id; +} HEVCSEIContext; + +struct HEVCParamSets; + +int ff_hevc_decode_nal_sei(GetBitContext *gb, void *logctx, HEVCSEIContext *s, + const struct HEVCParamSets *ps, int type); + +/** + * Reset SEI values that are stored on the Context. + * e.g. Caption data that was extracted during NAL + * parsing. + * + * @param s HEVCContext. + */ +void ff_hevc_reset_sei(HEVCSEIContext *s); + +#endif /* AVCODEC_HEVC_SEI_H */ -- cgit v1.2.1