[Libav-user] Mp3 play using ffmpeg
er.anshul.maheshwari at gmail.com
Fri Nov 1 06:46:05 CET 2013
On Thu, Oct 31, 2013 at 6:54 PM, Yamusani Vinay <yamusanivinay at gmail.com> wrote:
> I tried playing another mp3 file then at the below line.
> int res = av_find_stream_info(pFormatCtx);
> I got res as -1 so this is unable to find stream info..so please help in
> solving this issue..
> On Thu, Oct 31, 2013 at 6:21 PM, Robert Schmidt <rob.f.schmidt86 at gmail.com>
>> On Thu, Oct 31, 2013 at 9:46 AM, Yamusani Vinay <yamusanivinay at gmail.com>
>> > the error is while decoding the length obtained is negative.
>> One possibility is that you might be trying to decode a non-audio
>> packet. On line 110, after you've read a packet from the file, you
>> check if your decoding context is for audio, which will always be
>> true. What I think you want to do is instead check that the packet
>> you retrieved is associated with your audio stream and not some other
>> stream in the file.
>> Something like
>> if (packet.stream_index == audioStream)
>> It's possible this code worked for a .wav file if the file only had a
>> single stream containing audio data.
>> Hope this helps.
>> Libav-user mailing list
>> Libav-user at ffmpeg.org
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> Libav-user at ffmpeg.org
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