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| author | Limin Wang <lance.lmwang@gmail.com> | 2020-07-12 06:29:10 +0800 |
|---|---|---|
| committer | Limin Wang <lance.lmwang@gmail.com> | 2020-07-15 05:47:14 +0800 |
| commit | a54b367c781f7735c321e6ac08a5deebeb9796a9 (patch) | |
| tree | 741f33c479e9e1905024d10e308f94ac38b0c56c | |
| parent | 448a9aaa78119e0ac059ed08fa17613df63c780b (diff) | |
| download | ffmpeg-a54b367c781f7735c321e6ac08a5deebeb9796a9.tar.gz | |
avdevice/decklink_dec: export timecode with s12m side data
Reviewed-by: Marton Balint <cus@passwd.hu>
Signed-off-by: Limin Wang <lance.lmwang@gmail.com>
| -rw-r--r-- | libavdevice/decklink_dec.cpp | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/libavdevice/decklink_dec.cpp b/libavdevice/decklink_dec.cpp index a499972df8..dde68ffddc 100644 --- a/libavdevice/decklink_dec.cpp +++ b/libavdevice/decklink_dec.cpp @@ -42,6 +42,7 @@ extern "C" { #include "libavutil/imgutils.h" #include "libavutil/intreadwrite.h" #include "libavutil/time.h" +#include "libavutil/timecode.h" #include "libavutil/mathematics.h" #include "libavutil/reverse.h" #include "avdevice.h" @@ -882,6 +883,19 @@ HRESULT decklink_input_callback::VideoInputFrameArrived( AVDictionary* metadata_dict = NULL; int metadata_len; uint8_t* packed_metadata; + AVTimecode tcr; + + if (av_timecode_init_from_string(&tcr, ctx->video_st->r_frame_rate, tc, ctx) >= 0) { + uint32_t tc_data = av_timecode_get_smpte_from_framenum(&tcr, 0); + int size = sizeof(uint32_t) * 4; + uint32_t *sd = (uint32_t *)av_packet_new_side_data(&pkt, AV_PKT_DATA_S12M_TIMECODE, size); + + if (sd) { + *sd = 1; // one TC + *(sd + 1) = tc_data; // TC + } + } + if (av_dict_set(&metadata_dict, "timecode", tc, AV_DICT_DONT_STRDUP_VAL) >= 0) { packed_metadata = av_packet_pack_dictionary(metadata_dict, &metadata_len); av_dict_free(&metadata_dict); |