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| author | Praveen Karadugattu <praveenkumar@outlook.com> | 2020-01-23 18:54:17 +0530 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2020-02-06 17:04:41 +0100 |
| commit | 31d7b17c4671329a372e2762b4c5892dd0314ee5 (patch) | |
| tree | cc2776bb3ebdd010d2004be7142cd9aa76547329 | |
| parent | 270068b5af281dae9280306b1621d1f2b7920adb (diff) | |
| download | ffmpeg-31d7b17c4671329a372e2762b4c5892dd0314ee5.tar.gz | |
avcodec/hevc: add support for Frame Duplication (Doubling/Tripling)
Parse picture_struct SEI value.
| -rw-r--r-- | libavcodec/hevc_parser.c | 5 | ||||
| -rw-r--r-- | libavcodec/hevc_sei.c | 6 | ||||
| -rw-r--r-- | libavcodec/hevc_sei.h | 5 |
3 files changed, 16 insertions, 0 deletions
diff --git a/libavcodec/hevc_parser.c b/libavcodec/hevc_parser.c index 87d5dba4f5..84f19b485c 100644 --- a/libavcodec/hevc_parser.c +++ b/libavcodec/hevc_parser.c @@ -235,6 +235,11 @@ static int parse_nal_units(AVCodecParserContext *s, const uint8_t *buf, case HEVC_NAL_RADL_R: case HEVC_NAL_RASL_N: case HEVC_NAL_RASL_R: + if (ctx->sei.picture_timing.picture_struct == HEVC_SEI_PIC_STRUCT_FRAME_DOUBLING) { + s->repeat_pict = 1; + } else if (ctx->sei.picture_timing.picture_struct == HEVC_SEI_PIC_STRUCT_FRAME_TRIPLING) { + s->repeat_pict = 2; + } ret = hevc_parse_slice_header(s, nal, avctx); if (ret) return ret; diff --git a/libavcodec/hevc_sei.c b/libavcodec/hevc_sei.c index 562ce8b516..60570690cf 100644 --- a/libavcodec/hevc_sei.c +++ b/libavcodec/hevc_sei.c @@ -144,6 +144,12 @@ static int decode_nal_sei_pic_timing(HEVCSEI *s, GetBitContext *gb, const HEVCPa } else if (pic_struct == 1 || pic_struct == 9 || pic_struct == 11) { av_log(logctx, AV_LOG_DEBUG, "TOP Field\n"); h->picture_struct = AV_PICTURE_STRUCTURE_TOP_FIELD; + } else if (pic_struct == 7) { + av_log(logctx, AV_LOG_DEBUG, "Frame/Field Doubling\n"); + h->picture_struct = HEVC_SEI_PIC_STRUCT_FRAME_DOUBLING; + } else if (pic_struct == 8) { + av_log(logctx, AV_LOG_DEBUG, "Frame/Field Tripling\n"); + h->picture_struct = HEVC_SEI_PIC_STRUCT_FRAME_TRIPLING; } get_bits(gb, 2); // source_scan_type get_bits(gb, 1); // duplicate_flag diff --git a/libavcodec/hevc_sei.h b/libavcodec/hevc_sei.h index 2769d41445..a44ccca7f8 100644 --- a/libavcodec/hevc_sei.h +++ b/libavcodec/hevc_sei.h @@ -59,6 +59,11 @@ typedef enum { HEVC_SEI_TYPE_ALPHA_CHANNEL_INFO = 165, } HEVC_SEI_Type; +typedef enum { + HEVC_SEI_PIC_STRUCT_FRAME_DOUBLING = 7, + HEVC_SEI_PIC_STRUCT_FRAME_TRIPLING = 8 +} HEVC_SEI_PicStructType; + typedef struct HEVCSEIPictureHash { uint8_t md5[3][16]; uint8_t is_md5; |