diff options
Diffstat (limited to 'services/audioflinger/AudioMixer.h')
| -rw-r--r-- | services/audioflinger/AudioMixer.h | 28 |
1 files changed, 10 insertions, 18 deletions
diff --git a/services/audioflinger/AudioMixer.h b/services/audioflinger/AudioMixer.h index 43aeb86..d286986 100644 --- a/services/audioflinger/AudioMixer.h +++ b/services/audioflinger/AudioMixer.h @@ -120,27 +120,19 @@ public: private: enum { + // FIXME this representation permits up to 8 channels NEEDS_CHANNEL_COUNT__MASK = 0x00000007, - NEEDS_FORMAT__MASK = 0x000000F0, - NEEDS_MUTE__MASK = 0x00000100, - NEEDS_RESAMPLE__MASK = 0x00001000, - NEEDS_AUX__MASK = 0x00010000, }; enum { - NEEDS_CHANNEL_1 = 0x00000000, - NEEDS_CHANNEL_2 = 0x00000001, + NEEDS_CHANNEL_1 = 0x00000000, // mono + NEEDS_CHANNEL_2 = 0x00000001, // stereo - NEEDS_FORMAT_16 = 0x00000010, + // sample format is not explicitly specified, and is assumed to be AUDIO_FORMAT_PCM_16_BIT - NEEDS_MUTE_DISABLED = 0x00000000, - NEEDS_MUTE_ENABLED = 0x00000100, - - NEEDS_RESAMPLE_DISABLED = 0x00000000, - NEEDS_RESAMPLE_ENABLED = 0x00001000, - - NEEDS_AUX_DISABLED = 0x00000000, - NEEDS_AUX_ENABLED = 0x00010000, + NEEDS_MUTE = 0x00000100, + NEEDS_RESAMPLE = 0x00001000, + NEEDS_AUX = 0x00010000, }; struct state_t; @@ -224,7 +216,7 @@ private: NBLog::Writer* mLog; int32_t reserved[1]; // FIXME allocate dynamically to save some memory when maxNumTracks < MAX_NUM_TRACKS - track_t tracks[MAX_NUM_TRACKS]; __attribute__((aligned(32))); + track_t tracks[MAX_NUM_TRACKS] __attribute__((aligned(32))); }; // AudioBufferProvider that wraps a track AudioBufferProvider by a call to a downmix effect @@ -256,9 +248,9 @@ private: state_t mState __attribute__((aligned(32))); // effect descriptor for the downmixer used by the mixer - static effect_descriptor_t dwnmFxDesc; + static effect_descriptor_t sDwnmFxDesc; // indicates whether a downmix effect has been found and is usable by this mixer - static bool isMultichannelCapable; + static bool sIsMultichannelCapable; // Call after changing either the enabled status of a track, or parameters of an enabled track. // OK to call more often than that, but unnecessary. |