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| author | Michael Niedermayer <michaelni@gmx.at> | 2011-10-21 09:41:40 +0000 |
|---|---|---|
| committer | Alex Converse <alex.converse@gmail.com> | 2012-02-28 21:38:16 -0800 |
| commit | 956fb91e0333634aa25dcb5632c6e4e3769d05ee (patch) | |
| tree | 93338fff4a270469f0c232ddd2e83e3b07fd329c /libavcodec | |
| parent | 2564f6e6d433ec9907dc4bf2f9e8ea252e83a635 (diff) | |
| download | ffmpeg-956fb91e0333634aa25dcb5632c6e4e3769d05ee.tar.gz | |
aacdec: Support stereo streams that erroneously signal predefined channel configuration 1 (mono).
[alex.converse@mgail.com]
Move code to get_che()
Update for AAC new channel configuration interface
Only set chan_config if output_configure succeeds.
Signed-off-by: Alex Converse <alex.converse@gmail.com>
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/aacdec.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/libavcodec/aacdec.c b/libavcodec/aacdec.c index 340052e0c0..4f94f5f5c9 100644 --- a/libavcodec/aacdec.c +++ b/libavcodec/aacdec.c @@ -415,6 +415,20 @@ static ChannelElement *get_che(AACContext *ac, int type, int elem_id) if (!ac->m4ac.chan_config) { return ac->tag_che_map[type][elem_id]; } + // Allow single CPE stereo files to be signalled with mono configuration. + if (!ac->tags_mapped && type == TYPE_CPE && ac->m4ac.chan_config == 1) { + uint8_t layout_map[MAX_ELEM_ID*4][3]; + int layout_map_tags; + + if (set_default_channel_config(ac->avctx, layout_map, &layout_map_tags, + 2) < 0) + return NULL; + if (output_configure(ac, layout_map, layout_map_tags, + 2, OC_TRIAL_FRAME) < 0) + return NULL; + + ac->m4ac.chan_config = 2; + } // For indexed channel configurations map the channels solely based on position. switch (ac->m4ac.chan_config) { case 7: |