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Commit a9c4efde authored by Francois Cartegnie's avatar Francois Cartegnie
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demux: mp4: fix off by one write in channels handling (cid #1251054)

parent a2aca1ef
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modules/demux/mp4/essetup.c
View file @ a9c4efde
......@@ -730,9 +730,8 @@ int SetupAudioES( demux_t *p_demux, mp4_track_t *p_track, MP4_Box_t *p_sample )
{
if ( chan_bitmap_mapping[i].i_bitmap & i_bitmap )
{
i_channels++;
if ( (chan_bitmap_mapping[i].i_vlc & i_vlc_mapping) ||
i_channels > AOUT_CHAN_MAX )
i_channels >= AOUT_CHAN_MAX )
{
/* double mapping or unsupported number of channels */
i_vlc_mapping = 0;
......@@ -740,8 +739,9 @@ int SetupAudioES( demux_t *p_demux, mp4_track_t *p_track, MP4_Box_t *p_sample )
break;
}
i_vlc_mapping |= chan_bitmap_mapping[i].i_vlc;
rgi_chans_sequence[i_channels - 1] = chan_bitmap_mapping[i].i_vlc;
rgi_chans_sequence[i_channels] = chan_bitmap_mapping[i].i_vlc;
}
i_channels++;
}
rgi_chans_sequence[i_channels] = 0;
p_track->b_chans_reorder = !!
......
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