summaryrefslogtreecommitdiffstats
path: root/audio/chmap.h
Commit message (Collapse)AuthorAgeFilesLines
* audio/out: channel map selectionwm42013-05-121-2/+0
| | | | | | | | | Make all AOs use what has been introduced in the previous commit. Note that even AOs which can handle all possible layouts (like ao_null) use the new functions. This might be important if in the future ao_select_champ() possibly honors global user options about downmixing and so on.
* audio: add channel map selection functionwm42013-05-121-2/+3
| | | | | | | | | | | | | | | | | | | | The point is selecting a minimal fallback. The AOs will call this through the AO API, so it will be possible to add options affecting the general channel layout selection. It provides the following mechanism to AOs: - forcing the correct channel order - downmixing to stereo if no layout is available - allow 5.1 <-> 5.1(side) fallback - handling "unknown" channel layouts This is quite weak and lots of code/complexity for little gain. All AOs already made sure the channel order was correct, and the fallback is of little value, and could perhaps be done in the frontend instead, like stereo downmixing with --channels=2 is handled. But I'm not really sure how this stuff should _really_ work, and the new code will hopefully provides enough flexibility to make radical changes to channel layout negotiation easier.
* audio: add channel map APIwm42013-05-121-0/+133
Unused, will be used in the following commits. Let chmap.h define the number of maximum channels, because that is most convenient.