Simplify track 'needs' bits
Use more standard coding convention for bit masks,
and add a FIXME about max channel count.
Change-Id: I856784016703417ee480b92ae73757c472f9cf95
diff --git a/services/audioflinger/AudioMixer.h b/services/audioflinger/AudioMixer.h
index a15bdca..d5c9da7 100644
--- a/services/audioflinger/AudioMixer.h
+++ b/services/audioflinger/AudioMixer.h
@@ -120,27 +120,19 @@
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;