[FFmpeg-user] question: Hi, I want to ask a question about capture audio from audio card

Wei Gao highgod0401 at gmail.com
Fri Aug 2 11:24:42 CEST 2013


2013/8/2 99191957 at qq.com <99191957 at qq.com>

> you can just ignore the return value of AV_read_frame.
> For example: no not use " While(Av_read_frame(...)>=0)",
>                       then, if you get a wrong packet ,it won't stop
> reading next one.
>
> Hi, thanks

yes, I ignore it, but our problem is that the av_read_frame can not return
on win8. it dead and without any error report, the program block in the
function.

Thanks for your reply

Best regards

>
>
>
> 99191957 at qq.com
>
> From: Wei Gao
> Date: 2013-08-02 16:17
> To: FFmpeg user questions and RTFMs; FFmpeg development discussions and
> patches
> Subject: Re: [FFmpeg-user] question: Hi, I want to ask a question about
> capture audio from audio card
> 2013/7/8 Roger Pack <rogerdpack2 at gmail.com>
>
> > you may need to intsall the visual studio redistributable runtime 64 bit
> > first?
> >
> > On 7/8/13, Wei Gao <highgod0401 at gmail.com> wrote:
> > > 2013/7/3 Roger Pack <rogerdpack2 at gmail.com>
> > >
> > >> perhaps try googling "ffmpeg dshow" ?
> > >>
> > >>
> > > Hi, I use ffmpeg 32bit and  virtial-audio-capture, the program run
> > correct,
> > > but when I swtich to 64bit and use regsvr32 to
> > > register audio_sniffer-x64.dll, error occured says that the dll is not
> > > suiltable for my computer.
> > >
> > >
> > > On 4/28/13, Wei Gao <highgod0401 at gmail.com> wrote:
> > >> > Hi,
> > >> >
> > >> > I want to capture audio from audio card, not from mic, the data is
> the
> > >> > output audio from audio card
> > >> >
> > >> > Funman has told me to use asla to capture on linux in mirc, how can
> I
> > >> > capture on windows?
> > >> >
> > >> > Thanks
> > >> > Best regards.
> >
> Hi, I about the audio capture, I tested on win7 both 32 and 64 is working
> perfect,  using  virtual-audio-capturer. But when I switch it to win8, If I
> play the audio, the program run correct, if I stop the audio or pause the
> audio, the program will block at function "av_read_frame", my question is
> can it run on win8?
>
> Thanks
> Best regards
>
> > >> > _______________________________________________
> > >> > ffmpeg-devel mailing list
> > >> > ffmpeg-devel at ffmpeg.org
> > >> > http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
> > >> >
> > >>
> > >
> >
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