I posted a question yesterday; posting again as reminder - maybe someone has a quick solution:
Hi, I am using FFmpeg Zeranoe builds for Windows. I took a snapshot of their builds few months ago, and just recently decided to upgrade it. As with previous build, when I called avformat_alloc_output_context2() function with something like: avformat_alloc_output_context2(&ocVid, NULL, NULL, "test.webm") I always got the right codec: WebM with VP8 video and Vorbis audio. Now, with the latest build, it is giving me VP9 video and Opus audio. Due to some reasons, Opus just don't seem to work with me, giving me error with function: avcodec_open2() with some text like: "Invalid argument" (when seen with av_strerror() function ). I just want to use VP8/Vorbis; any ideas how I can force avformat_alloc_output_context2() to use this? Thanks, On Tue, Oct 6, 2015 at 5:42 PM, black copper <[email protected]> wrote: > Hi, > > I am using FFmpeg Zeranoe builds for Windows. I took a snapshot of their > builds few months ago, and just recently decided to upgrade it. > > As with previous build, when I called avformat_alloc_output_context2() > function with something like: > > avformat_alloc_output_context2(&ocVid, NULL, NULL, "test.webm") > > I always got the right codec: WebM with VP8 video and Vorbis audio. > > Now, with the latest build, it is giving me VP9 video and Opus audio. Due > to some reasons, Opus just don't seem to work with me, giving me error with > function: > > avcodec_open2() > > with some text like: "Invalid argument" (when seen with av_strerror() > function ). > > I just want to use VP8/Vorbis; any ideas how I can > force avformat_alloc_output_context2() to use this? > > Thanks, >
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