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| author | Eric Laurent <elaurent@google.com> | 2014-08-01 14:33:10 -0700 |
|---|---|---|
| committer | Eric Laurent <elaurent@google.com> | 2014-08-05 15:02:57 -0700 |
| commit | d91e6df901eeebadb92a0361796a387c5b0ceec0 (patch) | |
| tree | 8b32e970e55b781accb2424bc4839b6ac9a33c0f /include/system | |
| parent | 3b1215c374d9267a61c588826b97ccd54f052bc9 (diff) | |
| download | system_core-d91e6df901eeebadb92a0361796a387c5b0ceec0.zip system_core-d91e6df901eeebadb92a0361796a387c5b0ceec0.tar.gz system_core-d91e6df901eeebadb92a0361796a387c5b0ceec0.tar.bz2 | |
audio: add defines for audio HW sync source
Bug: 16132368.
Change-Id: I4008c315f2cba9c6027998be92f4af649359bcce
Diffstat (limited to 'include/system')
| -rw-r--r-- | include/system/audio.h | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/include/system/audio.h b/include/system/audio.h index 719a7c4..1c70240 100644 --- a/include/system/audio.h +++ b/include/system/audio.h @@ -110,7 +110,8 @@ enum { AUDIO_FLAG_AUDIBILITY_ENFORCED = 0x1, AUDIO_FLAG_SECURE = 0x2, AUDIO_FLAG_SCO = 0x4, - AUDIO_FLAG_BEACON = 0x8 + AUDIO_FLAG_BEACON = 0x8, + AUDIO_FLAG_HW_AV_SYNC = 0x10 }; /* Do not change these values without updating their counterparts @@ -696,7 +697,8 @@ typedef enum { AUDIO_OUTPUT_FLAG_DEEP_BUFFER = 0x8, // use deep audio buffers AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD = 0x10, // offload playback of compressed // streams to hardware codec - AUDIO_OUTPUT_FLAG_NON_BLOCKING = 0x20 // use non-blocking write + AUDIO_OUTPUT_FLAG_NON_BLOCKING = 0x20, // use non-blocking write + AUDIO_OUTPUT_FLAG_HW_AV_SYNC = 0x40 // output uses a hardware A/V synchronization source } audio_output_flags_t; /* The audio input flags are analogous to audio output flags. @@ -997,6 +999,13 @@ struct audio_patch { }; + +/* a HW synchronization source returned by the audio HAL */ +typedef uint32_t audio_hw_sync_t; + +/* an invalid HW synchronization source indicating an error */ +#define AUDIO_HW_SYNC_INVALID 0 + static inline bool audio_is_output_device(audio_devices_t device) { if (((device & AUDIO_DEVICE_BIT_IN) == 0) && |