[FFmpeg-devel] [PATCH 3/6] avcodec/h264_slice: export S12M timecode side data

[lance.lmwang at gmail.com]

From: Limin Wang <lance.lmwang at gmail.com>

Signed-off-by: Limin Wang <lance.lmwang at gmail.com>
---
 libavcodec/h264_slice.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/libavcodec/h264_slice.c b/libavcodec/h264_slice.c
index c7b2764..db720de 100644
--- a/libavcodec/h264_slice.c
+++ b/libavcodec/h264_slice.c
@@ -1307,6 +1307,7 @@ 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];
+        uint32_t *s12m_sd;
 
         AVFrameSideData *tcside = av_frame_new_side_data(out,
                                                          AV_FRAME_DATA_S12M_TIMECODE,
@@ -1316,6 +1317,12 @@ static int h264_export_frame_props(H264Context *h)
 
         tc_sd = (uint32_t*)tcside->data;
         tc_sd[0] = h->sei.picture_timing.timecode_cnt;
+        if (h->avctx->export_side_data & AV_CODEC_EXPORT_DATA_S12M_TC) {
+            s12m_sd = ff_add_s12m_timecode_side_data(h->avctx);
+            if (!s12m_sd)
+                return AVERROR(ENOMEM);
+            s12m_sd[0] = tc_sd[0];
+        }
 
         for (int i = 0; i < tc_sd[0]; i++) {
             int drop = h->sei.picture_timing.timecode[i].dropframe;
@@ -1325,6 +1332,9 @@ 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);
+            if (h->avctx->export_side_data & AV_CODEC_EXPORT_DATA_S12M_TC) {
+                s12m_sd[i + 1] = tc_sd[i + 1];
+            }
             av_timecode_make_smpte_tc_string(tcbuf, tc_sd[i + 1], 0);
             av_dict_set(&out->metadata, "timecode", tcbuf, 0);
         }
-- 
1.8.3.1