[FFmpeg-devel] [PATCH v3 09/12] ffmpeg: pass first video AVFrame's side data to encoder

["Jan Ekström" <jeebjp@gmail.com>]

This enables further configuration of output based on the results
of input decoding and filtering in a similar manner as the color
information.
---
 fftools/ffmpeg_enc.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/fftools/ffmpeg_enc.c b/fftools/ffmpeg_enc.c
index 96424272bf..de60a14868 100644
--- a/fftools/ffmpeg_enc.c
+++ b/fftools/ffmpeg_enc.c
@@ -314,6 +314,17 @@ int enc_open(OutputStream *ost, AVFrame *frame)
         enc_ctx->colorspace             = frame->colorspace;
         enc_ctx->chroma_sample_location = frame->chroma_location;
 
+        ret = av_side_data_set_extend(&enc_ctx->side_data_set,
+                                      (const AVFrameSideDataSet){
+                                         .sd    = frame->side_data,
+                                         .nb_sd = frame->nb_side_data
+                                      }, 0);
+        if (ret < 0) {
+            av_log(NULL, AV_LOG_ERROR, "failed to configure video encoder: %s!\n",
+                   av_err2str(ret));
+            return ret;
+        }
+
         enc_ctx->framerate = fr;
 
         ost->st->avg_frame_rate = fr;
-- 
2.41.0

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