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aacdec: Turn PS off when switching to stereo and turn it to implicit when switching to mono.

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This commit is contained in:
Alex Converse 2012-05-22 14:43:28 -07:00
parent 41e9682af2
commit 79c8e29a7e
1 changed files with 3 additions and 0 deletions
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3
libavcodec/aacdec.c
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@ -461,6 +461,7 @@ static ChannelElement *get_che(AACContext *ac, int type, int elem_id)
return NULL;
ac->oc[1].m4ac.chan_config = 2;
ac->oc[1].m4ac.ps = 0;
}
// And vice-versa
if (!ac->tags_mapped && type == TYPE_SCE && ac->oc[1].m4ac.chan_config == 2) {
@ -476,6 +477,8 @@ static ChannelElement *get_che(AACContext *ac, int type, int elem_id)
return NULL;
ac->oc[1].m4ac.chan_config = 1;
if (ac->oc[1].m4ac.sbr)
ac->oc[1].m4ac.ps = -1;
}
// For indexed channel configurations map the channels solely based on position.
switch (ac->oc[1].m4ac.chan_config) {