[FFmpeg-devel] [PATCH v2 1/3] ffmpeg_opt: pass output framerate as a hint to the encoder

[Tobias Rapp]

Sets framerate field in output codec context if explicitly specified on
the command-line.

Signed-off-by: Tobias Rapp <t.rapp at noa-archive.com>
---
 ffmpeg_opt.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/ffmpeg_opt.c b/ffmpeg_opt.c
index 6a47d32..3b532da 100644
--- a/ffmpeg_opt.c
+++ b/ffmpeg_opt.c
@@ -1535,6 +1535,8 @@ static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc, in
         av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
         exit_program(1);
     }
+    if (frame_rate && ost->frame_rate.num && ost->frame_rate.den)
+        video_enc->framerate = ost->frame_rate;
     if (frame_rate && video_sync_method == VSYNC_PASSTHROUGH)
         av_log(NULL, AV_LOG_ERROR, "Using -vsync 0 and -r can produce invalid output files\n");
 
-- 
2.7.4