From d91e6df901eeebadb92a0361796a387c5b0ceec0 Mon Sep 17 00:00:00 2001 From: Eric Laurent Date: Fri, 1 Aug 2014 14:33:10 -0700 Subject: [PATCH] audio: add defines for audio HW sync source Bug: 16132368. Change-Id: I4008c315f2cba9c6027998be92f4af649359bcce --- include/system/audio.h | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/include/system/audio.h b/include/system/audio.h index 719a7c424..1c7024029 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) &&