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author | Nicolas George <nicolas.george@normalesup.org> | 2011-11-08 19:32:50 +0400 |
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committer | Michael Niedermayer <michaelni@gmx.at> | 2011-11-10 00:03:47 +0400 |
commit | e7062a1e9fae9c4846a6989dee8b0e78454b69ae (patch) | |
tree | fcd87863c25385c5dd57906399727b5ab0681bcd /libavutil/audioconvert.h | |
parent | 8cd210700b831f014d527fcb39a4623b8fa926fd (diff) |
audioconvert: make av_get_channel_layout accept composite names.
Signed-off-by: Nicolas George <nicolas.george@normalesup.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavutil/audioconvert.h')
-rw-r--r-- | libavutil/audioconvert.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/libavutil/audioconvert.h b/libavutil/audioconvert.h index 8cef7f650a..4e0e98c9b4 100644 --- a/libavutil/audioconvert.h +++ b/libavutil/audioconvert.h @@ -75,6 +75,18 @@ /** * Return a channel layout id that matches name, 0 if no match. + * name can be one or several of the following notations, + * separated by '+' or '|': + * - the name of an usual channel layout (mono, stereo, 4.0, quad, 5.0, + * 5.0(side), 5.1, 5.1(side), 7.1, 7.1(wide), downmix); + * - the name of a single channel (FL, FR, FC, LFE, BL, BR, FLC, FRC, BC, + * SL, SR, TC, TFL, TFC, TFR, TBL, TBC, TBR, DL, DR); + * - a number of channels, in decimal, optionnally followed by 'c', yielding + * the default channel layout for that number of channels (@see + * av_get_default_channel_layout); + * - a channel layout mask, in hexadecimal starting with "0x" (see the + * AV_CH_* macros). + + Example: "stereo+FC" = "2+FC" = "2c+1c" = "0x7" */ int64_t av_get_channel_layout(const char *name); |