[Ffmpeg-devel] corrupt audio when cut [SOLVED]

[Michael Niedermayer]

Hi

On Sat, Feb 03, 2007 at 04:31:18PM -0000, Wolfram Gloger wrote:
> Hi,
> 
> > --- ./data/libav.regression	2007-01-30 19:21:18.000000000 +0100
> > +++ /home/michael/ffmpeg-svn-tmp/trunk/tests/libav.regression.ref	2007-01-2=
> > 1 13:57:27.000000000 +0100
> > @@ -9,10 +9,10 @@
> >  355405 ./data/b-libav.rm
> >  bdb7484c68db722f66ba1630cf79844c *./data/b-libav.mpg
> >  378880 ./data/b-libav.mpg
> > -./data/b-libav.mpg CRC=3D0x00000001
> > +./data/b-libav.mpg CRC=3D0x2b71a386
> 
> I have investigated this thoroughly, and have a better patch now that
> passes regression tests.  Also added a few comments.
> 
> One-line-summary would be "make av_find_stream_info() usable
> anywhere within a file".

[...]
> -static void av_estimate_timings(AVFormatContext *ic)
> +/* returns non-zero if the packet queue was flushed */
> +static int av_estimate_timings(AVFormatContext *ic)
>  {
>      int64_t file_size;
> +    int did_flush = 0;
>  
>      /* get the file size, if possible */
>      if (ic->iformat->flags & AVFMT_NOFILE) {
> @@ -1672,6 +1672,7 @@
>          file_size && !ic->pb.is_streamed) {
>          /* get accurate estimate from the PTSes */
>          av_estimate_timings_from_pts(ic);
> +        did_flush = 1;
>      } else if (av_has_timings(ic)) {
>          /* at least one components has timings - we use them for all
>             the components */
> @@ -1698,6 +1699,7 @@
>                 ic->bit_rate / 1000);
>      }
>  #endif
> +    return did_flush;
>  }

isnt it simplerto pass the old_offset into av_estimate_timings() and
do the seek in it instead of the did_flush return? or am i missing 
something?

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

No snowflake in an avalanche ever feels responsible. -- Voltaire
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