Hey Andrey, thanks for your reply. 1) ffprobe recognizes the correct sample_rate (av_open_input_file, too) 4) I tried that before but it did not work neither
2-3) I uploaded a small sample including the mp4 file: www.asamnet.de/~winterch/libav_stream.tar.gz It's a small Qt project so you need qmake and maybe also change the LIB paths in the .pro file to compile. You should see that in the first av_dump_format the sample_rate in the aac audio stream is missing.
Thanks in advance, Christoph Am 10.02.2012 21:08, schrieb Andrey Utkin:
1. Try with ffprobe util, and share the results here. 2. Share your sample files. 3. If problem reproduces with your app only, provide simplified, but compiling&running&reproducing code sample. 4. Try increasing AVFormatContext.max_analyze_duration over 5*1000*1000, also .probe_size to sth more than default.
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