[FFmpeg-devel] [PATCH] MPEG PS consider other audio tracks when muxing

Michael Niedermayer michaelni
Sat May 16 03:22:42 CEST 2009


On Fri, May 15, 2009 at 12:18:26PM -0700, Baptiste Coudurier wrote:
> Hi Michael,
> 
> On 5/15/2009 11:55 AM, Michael Niedermayer wrote:
> > On Fri, May 15, 2009 at 10:38:56AM -0700, Baptiste Coudurier wrote:
> >> Hi
> >>
> >> $subject, this patch fixes a bug when muxing more than one audio track.
> >> id of other audio tracks will be > 0xc000 in this case.
> >>
> >> -- 
> >> Baptiste COUDURIER                              GnuPG Key Id: 0x5C1ABAAA
> >> Key fingerprint                 8D77134D20CC9220201FC5DB0AC9325C5C1ABAAA
> >> FFmpeg maintainer                                  http://www.ffmpeg.org
> > 
> >>  mpegenc.c |   10 +++++-----
> >>  1 file changed, 5 insertions(+), 5 deletions(-)
> >> 281a89d8f0423e904687d78298fbc2a2f6dd21be  ps_audio.patch
> >> Index: libavformat/mpegenc.c
> >> ===================================================================
> >> --- libavformat/mpegenc.c	(revision 18820)
> >> +++ libavformat/mpegenc.c	(working copy)
> >> @@ -157,7 +157,7 @@
> >>  
> >>      put_bits(&pb, 1, 1); /* marker */
> >>  
> >> -    if (s->is_vcd && only_for_stream_id==AUDIO_ID) {
> >> +    if (s->is_vcd && only_for_stream_id & 0xc000 == 0xc000) {
> > 
> > AUDIO_ID is 0xc0 not 0xc000
> 
> I must have been high :)
> 
> Here is a better patch.
> 
> -- 
> Baptiste COUDURIER                              GnuPG Key Id: 0x5C1ABAAA
> Key fingerprint                 8D77134D20CC9220201FC5DB0AC9325C5C1ABAAA
> FFmpeg maintainer                                  http://www.ffmpeg.org

>  mpegenc.c |   10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)
> bb618f5e0439cdb7a5a971d47a93b74435db5e46  ps_audio2.patch
> Index: libavformat/mpegenc.c
> ===================================================================
> --- libavformat/mpegenc.c	(revision 18820)
> +++ libavformat/mpegenc.c	(working copy)
> @@ -157,7 +157,7 @@
>  
>      put_bits(&pb, 1, 1); /* marker */
>  
> -    if (s->is_vcd && only_for_stream_id==AUDIO_ID) {
> +    if (s->is_vcd && only_for_stream_id & 0xc0 == AUDIO_ID) {

x & 0xc0 == 0xc0 is also true for video streams i think

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

The worst form of inequality is to try to make unequal things equal.
-- Aristotle
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