I will build 2.4 version with patch and write if it helps or not. Thanks! On 18 September 2014 15:41, Claudio Freire <[email protected]> wrote:
> On Thu, Sep 18, 2014 at 9:43 AM, adev dev <[email protected]> > wrote: > > I am compressing movies from bitmaps and AAC files. Normally AAC files > are > > recorded with following params: bit rate: 192000, sampling rate 44100. > These > > audio params are set in output context (AVFormatContext) in compression. > In > > happy day scenario it is working correctly. Movie and sound are correct. > > > > The problem occures if sound params are "strange". From time to time I > have > > AAC files recorded with params: bitrate 96000, sampling rate 16000. In > this > > case sound is very fast and ends before end of movie. If I set these > params > > (96000, 16000) in output context there is no sound in the movie at all. > > Created movie file has audio stream with bitrate about 500 b/s what is > > really strange. > > > > What else has to be set in FFMPEG to correctly compress AAC files with > bit > > rate 96000 and sampling rate 16000? > > > > I am using FFMPEG 2.1 and native AAC encoder. > > > If you can build from source, try head after applying the patch in > here: > https://trac.ffmpeg.org/attachment/ticket/2686/aac-improvements-wip-v8g.patch > > It fixes some issues with some sampling rates, although your issue > doesn't sound familiar to me, it's worth a try. > _______________________________________________ > Libav-user mailing list > [email protected] > http://ffmpeg.org/mailman/listinfo/libav-user >
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