[FFmpeg-user] Write audio frames without decoding/encoding
kennethjjgibson at gmail.com
Tue Feb 14 02:08:27 CET 2012
Andrey Utkin wrote
> Yes. Shortly, you can av_write_frame() the AVPacket you've just got
> from av_read_frame().
I'm trying to write the audio packet into the new file
while(av_read_frame(inputFormatCtx, &packet) >= 0)
if(packet.stream_index == videoStream) //videoStream = 0
//do some stuff and write it
if(packet.stream_index == audioStream) //audioStream = 1
av_interleaved_write_frame(outputFormatCtx, &packet); //
<----- crashes here
But this crashes on the line:
Why is this crashing?
If I ignore audio, I can make a .mp4 with just video and it works perfectly.
Am I doing something obviously wrong here?
For what reasons would av_interleaved_write_frame crash?
Thanks for your help
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