bytedeco/javacv

avfilter_graph_parse_ptr() error -22 while merging two music with different sample rate

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#1.736 geöffnet am 7. Jan. 2022

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Beschreibung

Hi, I want to merge two music with different sample rate(44100 and 48000), and I push their samples to two FFmpegFrameFilter(A, B) with different sample rate. And I want merge these two filters into the one, how can I do this?

I create third filter(C, 44100) uses [0:a][1:a]amix=inputs=2:duration=longest[a]. And I push Samples that pulled by A and B to C. But I get the error message (avfilter_graph_parse_ptr() error -22) while pushing B's samples.

So, what is the correct way of merging two music with different sample rate?

Thanks.

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