[FFmpeg-cvslog] avcodec/v210enc: Pass through A53 CC data

[Devin Heitmueller]

ffmpeg | branch: master | Devin Heitmueller <dheitmueller at ltnglobal.com> | Fri Sep  7 15:40:24 2018 -0400| [6a9abe9ec333638b7818dac8ab60d006d5533c4a] | committer: Marton Balint

avcodec/v210enc: Pass through A53 CC data

When encoding to V210, make sure the CC side data makes it through
in the resulting AVPacket.  This is needed so the decklink output
module can put out captions when in 10-bit mode.

Signed-off-by: Devin Heitmueller <dheitmueller at ltnglobal.com>
Signed-off-by: Marton Balint <cus at passwd.hu>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=6a9abe9ec333638b7818dac8ab60d006d5533c4a
---

 libavcodec/v210enc.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/libavcodec/v210enc.c b/libavcodec/v210enc.c
index a6afbbfc41..b9dcf9a672 100644
--- a/libavcodec/v210enc.c
+++ b/libavcodec/v210enc.c
@@ -123,6 +123,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
     int aligned_width = ((avctx->width + 47) / 48) * 48;
     int stride = aligned_width * 8 / 3;
     int line_padding = stride - ((avctx->width * 8 + 11) / 12) * 4;
+    AVFrameSideData *side_data;
     int h, w, ret;
     uint8_t *dst;
 
@@ -233,6 +234,14 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
         }
     }
 
+    side_data = av_frame_get_side_data(pic, AV_FRAME_DATA_A53_CC);
+    if (side_data && side_data->size) {
+        uint8_t *buf = av_packet_new_side_data(pkt, AV_PKT_DATA_A53_CC, side_data->size);
+        if (!buf)
+            return AVERROR(ENOMEM);
+        memcpy(buf, side_data->data, side_data->size);
+    }
+
     pkt->flags |= AV_PKT_FLAG_KEY;
     *got_packet = 1;
     return 0;