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avcodec/h264_slice: add timecode metadata 

Please test with below command:
./ffplay -vf drawtext="fontfile=/Library/Fonts/Arial.ttf:text=\\'%{metadata\\:timecode}\\'" \
                       ../fate-suite/h264/crew_cif_timecode-2.h264

Signed-off-by: Limin Wang <lance.lmwang@gmail.com>
This commit is contained in:
Limin Wang 2020-06-20 21:09:09 +08:00
parent b531216e6a
commit 10c7745ae9
1 changed files with 3 additions and 0 deletions
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3
libavcodec/h264_slice.c
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@ -1306,6 +1306,7 @@ static int h264_export_frame_props(H264Context *h)
if (h->sei.picture_timing.timecode_cnt > 0) {
uint32_t *tc_sd;
char tcbuf[AV_TIMECODE_STR_SIZE];
AVFrameSideData *tcside = av_frame_new_side_data(out,
AV_FRAME_DATA_S12M_TIMECODE,
@ -1324,6 +1325,8 @@ static int h264_export_frame_props(H264Context *h)
int ff = h->sei.picture_timing.timecode[i].frame;
tc_sd[i + 1] = av_timecode_get_smpte(h->avctx->framerate, drop, hh, mm, ss, ff);
av_timecode_make_smpte_tc_string(tcbuf, tc_sd[i + 1], 0);
av_dict_set(&out->metadata, "timecode", tcbuf, 0);
}
h->sei.picture_timing.timecode_cnt = 0;
}