[Vorbis-dev] Missing audio when converting PCM to Ogg

[Ilya Ganelin]

Thanks R.L. ! That was exactly what I needed .

-Ilya Ganelin


On Wed, Oct 23, 2013 at 11:04 PM, R.L. Horn <lists at eastcheap.org> wrote:

> On Tue, 22 Oct 2013, Ilya Ganelin wrote:
>
> > I still have a small issue in that a small amount of the audio is
> > clipped at the start of the stream.
>
> Be sure that you flush the stream after passing the headers and before
> the coding loop:
>
>      vorbis_analysis_headerout(&vd,&vc,&header,&header_comm,&header_code);
>      ogg_stream_packetin(&os,&header); /* automatically placed in its own
>                                           page */
>      ogg_stream_packetin(&os,&header_comm);
>      ogg_stream_packetin(&os,&header_code);
>
>      /* This ensures the actual
>       * audio data will start on a new page, as per spec
>       */
>      for(;;) {
>        int result=ogg_stream_flush(&os,&og);
>        if(result==0)break;
>        fwrite(og.header,1,og.header_len,stdout);
>        fwrite(og.body,1,og.body_len,stdout);
>      }
>
> Note that encoder_example.c actually uses "while(!eos)" here, but that
> only works because eos was initialized to zero (i.e. !eos always evaluates
> as true).
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