[FFmpeg-devel] [PATCH] avformat/sierravmd: Support for Shivers 2 stereo tracks

Michael Niedermayer michael at niedermayer.cc
Tue Feb 21 20:05:37 EET 2017


On Tue, Feb 21, 2017 at 10:11:37AM +0100, Paul B Mahol wrote:
> On 2/18/17, Nicolas Roy-Renaud <nicolas.roy-renaud.1 at ens.etsmtl.ca> wrote:
> > Signed-off-by: Nicolas Roy-Renaud <nicolas.roy-renaud.1 at ens.etsmtl.ca>
> > ---
> >  libavformat/sierravmd.c | 20 +++++++++++++-------
> >  1 file changed, 13 insertions(+), 7 deletions(-)
> >
> > diff --git a/libavformat/sierravmd.c b/libavformat/sierravmd.c
> > index 734a3f2c1e..6960c2868f 100644
> > --- a/libavformat/sierravmd.c
> > +++ b/libavformat/sierravmd.c
> > @@ -142,13 +142,6 @@ static int vmd_read_header(AVFormatContext *s)
> >          st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO;
> >          st->codecpar->codec_id   = AV_CODEC_ID_VMDAUDIO;
> >          st->codecpar->codec_tag  = 0;  /* no fourcc */
> > -        if (vmd->vmd_header[811] & 0x80) {
> > -            st->codecpar->channels       = 2;
> > -            st->codecpar->channel_layout = AV_CH_LAYOUT_STEREO;
> > -        } else {
> > -            st->codecpar->channels       = 1;
> > -            st->codecpar->channel_layout = AV_CH_LAYOUT_MONO;
> > -        }
> >          st->codecpar->sample_rate = vmd->sample_rate;
> >          st->codecpar->block_align = AV_RL16(&vmd->vmd_header[806]);
> >          if (st->codecpar->block_align & 0x8000) {
> > @@ -157,6 +150,19 @@ static int vmd_read_header(AVFormatContext *s)
> >          } else {
> >              st->codecpar->bits_per_coded_sample = 8;
> >          }
> > +        if (vmd->vmd_header[811] & 0x80) {
> > +            st->codecpar->channels       = 2;
> > +            st->codecpar->channel_layout = AV_CH_LAYOUT_STEREO;
> > +        } else if (vmd->vmd_header[811] & 0x2) {
> > +            /* Shivers 2 stereo audio */
> > +            /* Frame length is for 1 channel */
> > +            st->codecpar->channels       = 2;
> > +            st->codecpar->channel_layout = AV_CH_LAYOUT_STEREO;
> > +            st->codecpar->block_align = st->codecpar->block_align << 1;
> > +        } else {
> > +            st->codecpar->channels       = 1;
> > +            st->codecpar->channel_layout = AV_CH_LAYOUT_MONO;
> > +        }
> >          st->codecpar->bit_rate = st->codecpar->sample_rate *
> >              st->codecpar->bits_per_coded_sample * st->codecpar->channels;
> >
> > --
> > 2.11.0
> >
> > _______________________________________________
> > ffmpeg-devel mailing list
> > ffmpeg-devel at ffmpeg.org
> > http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
> >
> 
> lgtm

applied

thx

[...]
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Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

If you fake or manipulate statistics in a paper in physics you will never
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