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[FFmpeg-devel,1/5] v210enc: Pass through A53 CC data

Message ID 20180907194028.4629-2-dheitmueller@ltnglobal.com
State Accepted
Commit 6a9abe9ec333638b7818dac8ab60d006d5533c4a
Headers show

Commit Message

Devin Heitmueller Sept. 7, 2018, 7:40 p.m. UTC 
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@ltnglobal.com>
---
 libavcodec/v210enc.c | 9 +++++++++
 1 file changed, 9 insertions(+)
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Patch

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;