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| author | Eric Laurent <elaurent@google.com> | 2010-01-19 17:34:55 -0800 |
|---|---|---|
| committer | Eric Laurent <elaurent@google.com> | 2010-01-26 10:36:42 -0800 |
| commit | 392290d659cabc017f3784d332a6ddf6eaf49bc5 (patch) | |
| tree | 0106ba06cab66321c3b14c8738018dcab886c930 | |
| parent | d0a89fa6e16691acab58af01f55c001538cf2223 (diff) | |
| download | libhardware_legacy-392290d659cabc017f3784d332a6ddf6eaf49bc5.tar.gz | |
Fix issue 2285561: New AudioFlinger and audio driver API needed for A/V sync
Added getRenderPosition() API to AudioHardwareInterface to retreive number of audio frames
written by DSP to DAC.
| -rw-r--r-- | include/hardware_legacy/AudioHardwareInterface.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/hardware_legacy/AudioHardwareInterface.h b/include/hardware_legacy/AudioHardwareInterface.h index 46cea77..bc9b4b2 100644 --- a/include/hardware_legacy/AudioHardwareInterface.h +++ b/include/hardware_legacy/AudioHardwareInterface.h @@ -98,6 +98,10 @@ public: // The audio flinger will put the output in standby and then change the parameter value. virtual status_t setParameters(const String8& keyValuePairs) = 0; virtual String8 getParameters(const String8& keys) = 0; + + // return the number of audio frames written by the audio dsp to DAC since + // the output has exited standby + virtual status_t getRenderPosition(uint32_t *dspFrames) = 0; }; /** |