On Thu, May 21, 2015 at 10:20:46AM +0200, wm4 wrote:
> On Thu, 21 May 2015 00:40:41 +0200
> Michael Niedermayer <michae...@gmx.at> wrote:
> 
> > Signed-off-by: Michael Niedermayer <michae...@gmx.at>
> > ---
> >  ffmpeg.c     |    1 +
> >  ffmpeg_opt.c |   14 ++++++++++++++
> >  2 files changed, 15 insertions(+)
> > 
> > diff --git a/ffmpeg.c b/ffmpeg.c
> > index a89ae39..da3ab91 100644
> > --- a/ffmpeg.c
> > +++ b/ffmpeg.c
> > @@ -2822,6 +2822,7 @@ static int transcode_init(void)
> >                  enc_ctx->width  = dec_ctx->width;
> >                  enc_ctx->height = dec_ctx->height;
> >                  break;
> > +            case AVMEDIA_TYPE_UNKNOWN:
> >              case AVMEDIA_TYPE_DATA:
> >              case AVMEDIA_TYPE_ATTACHMENT:
> >                  break;
> > diff --git a/ffmpeg_opt.c b/ffmpeg_opt.c
> > index a8d433e..4b783a5 100644
> > --- a/ffmpeg_opt.c
> > +++ b/ffmpeg_opt.c
> > @@ -1565,6 +1565,19 @@ static OutputStream *new_data_stream(OptionsContext 
> > *o, AVFormatContext *oc, int
> >      return ost;
> >  }
> >  
> > +static OutputStream *new_unknown_stream(OptionsContext *o, AVFormatContext 
> > *oc, int source_index)
> > +{
> > +    OutputStream *ost;
> > +
> > +    ost = new_output_stream(o, oc, AVMEDIA_TYPE_UNKNOWN, source_index);
> > +    if (!ost->stream_copy) {
> > +        av_log(NULL, AV_LOG_FATAL, "Unknown stream encoding not supported 
> > yet (only streamcopy)\n");
> > +        exit_program(1);
> > +    }
> > +
> > +    return ost;
> > +}
> > +
> >  static OutputStream *new_attachment_stream(OptionsContext *o, 
> > AVFormatContext *oc, int source_index)
> >  {
> >      OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT, 
> > source_index);
> > @@ -2016,6 +2029,7 @@ loop_end:
> >                  case AVMEDIA_TYPE_AUDIO:      ost = new_audio_stream     
> > (o, oc, src_idx); break;
> >                  case AVMEDIA_TYPE_SUBTITLE:   ost = new_subtitle_stream  
> > (o, oc, src_idx); break;
> >                  case AVMEDIA_TYPE_DATA:       ost = new_data_stream      
> > (o, oc, src_idx); break;
> > +                case AVMEDIA_TYPE_UNKNOWN:    ost = new_unknown_stream   
> > (o, oc, src_idx); break;
> >                  case AVMEDIA_TYPE_ATTACHMENT: ost = 
> > new_attachment_stream(o, oc, src_idx); break;
> >                  default:
> >                      av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - 
> > unsupported type.\n",
> 
> Doesn't this raise the risk of creating invalid files?

i dont know
ive posted a patch that would require the user to explicitly enable
copying unknown streams, if you prefer that ?

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

During times of universal deceit, telling the truth becomes a
revolutionary act. -- George Orwell

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