[FFmpeg-devel] [PATCH] avcodec/mp3: fix skipping zeros
nfxjfg at googlemail.com
Wed Sep 30 15:58:33 CEST 2015
On Wed, 30 Sep 2015 15:41:04 +0200
Michael Niedermayer <michaelni at gmx.at> wrote:
> On Wed, Sep 30, 2015 at 02:54:11PM +0200, wm4 wrote:
> > Commits 43bc5cf9 and c5371f77 add code for skipping initial zeros in mp3
> > packets. (There are no explanations, no samples.)
> > This code forgot to report to the user that data was skipped at all. IT
> > should do this by adding the skipped amount of bytes to the amount of
> > consumed bytes returned by the decode call.
> > Since audio codecs allow partial packet decoding, the user application
> > has to rely on the return value. It will remove the data reported as
> > consumed by the decoder, and feed it to the decoder again. This resulted
> > in the mp3 frame after the zero region to be decoded over and over
> > again, until the zero region was finally skipped by the application.
> > Fixes trac ticket #4890.
> > ---
> > libavcodec/mpegaudiodec_template.c | 4 +++-
> > 1 file changed, 3 insertions(+), 1 deletion(-)
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