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| author | Glenn Kasten <gkasten@google.com> | 2012-03-08 12:33:37 -0800 |
|---|---|---|
| committer | Glenn Kasten <gkasten@google.com> | 2012-10-26 15:50:45 -0700 |
| commit | 599fabc596687efa4b71b8f3ebbb957c7cae0c72 (patch) | |
| tree | 4fa21abc3355a8ac8d4c91a6e101d76bb3c17b80 /services/audioflinger/AudioMixer.h | |
| parent | 692c3e54c63aaaf7e9ef4d89761f98975bd34f33 (diff) | |
| download | frameworks_av-599fabc596687efa4b71b8f3ebbb957c7cae0c72.zip frameworks_av-599fabc596687efa4b71b8f3ebbb957c7cae0c72.tar.gz frameworks_av-599fabc596687efa4b71b8f3ebbb957c7cae0c72.tar.bz2 | |
Document AudioMixer hard-coded limits
Change-Id: I83ea8bed375f251260945db788bdb5f280dba12d
Diffstat (limited to 'services/audioflinger/AudioMixer.h')
| -rw-r--r-- | services/audioflinger/AudioMixer.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/services/audioflinger/AudioMixer.h b/services/audioflinger/AudioMixer.h index dc468ff..e60a298 100644 --- a/services/audioflinger/AudioMixer.h +++ b/services/audioflinger/AudioMixer.h @@ -41,8 +41,15 @@ public: /*virtual*/ ~AudioMixer(); // non-virtual saves a v-table, restore if sub-classed + + // This mixer has a hard-coded upper limit of 32 active track inputs. + // Adding support for > 32 tracks would require more than simply changing this value. static const uint32_t MAX_NUM_TRACKS = 32; // maximum number of channels supported by the mixer + + // This mixer has a hard-coded upper limit of 2 channels for output. + // There is support for > 2 channel tracks down-mixed to 2 channel output via a down-mix effect. + // Adding support for > 2 channel output would require more than simply changing this value. static const uint32_t MAX_NUM_CHANNELS = 2; // maximum number of channels supported for the content static const uint32_t MAX_NUM_CHANNELS_TO_DOWNMIX = 8; |