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Fix an endless loop if all programs are empty.

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@29660 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
reimar 2009-09-08 09:08:05 +00:00
parent 03f08ab010
commit 64c5127103
1 changed files with 4 additions and 0 deletions
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4
libmpdemux/demux_lavf.c
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@ -707,6 +707,7 @@ static int demux_lavf_control(demuxer_t *demuxer, int cmd, void *arg)
demux_program_t *prog = arg;
AVProgram *program;
int p, i;
int start;
if(priv->avfc->nb_programs < 2)
return DEMUXER_CTRL_NOTIMPL;
@ -728,6 +729,7 @@ static int demux_lavf_control(demuxer_t *demuxer, int cmd, void *arg)
p = i;
}
prog->vid = prog->aid = prog->sid = -2; //no audio and no video by default
start = p;
redo:
program = priv->avfc->programs[p];
for(i=0; i<program->nb_stream_indexes; i++)
@ -751,6 +753,8 @@ redo:
if(prog->progid == -1 && prog->vid == -2 && prog->aid == -2)
{
p = (p + 1) % priv->avfc->nb_programs;
if (p == start)
return DEMUXER_CTRL_DONTKNOW;
goto redo;
}
priv->cur_program = prog->progid = program->id;