[FFmpeg-cvslog] avcodec/h264_slice: add timecode metadata

[Limin Wang]

ffmpeg | branch: master | Limin Wang <lance.lmwang at gmail.com> | Sat Jun 20 21:09:09 2020 +0800| [10c7745ae9bcd74e1be76acd58583510bc1d93d7] | committer: Limin Wang

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 at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=10c7745ae9bcd74e1be76acd58583510bc1d93d7
---

 libavcodec/h264_slice.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavcodec/h264_slice.c b/libavcodec/h264_slice.c
index 725390e1a3..c7b2764270 100644
--- a/libavcodec/h264_slice.c
+++ b/libavcodec/h264_slice.c
@@ -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;
     }