diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/media/AudioSystem.h | 11 | ||||
| -rw-r--r-- | include/media/IAudioFlinger.h | 1 | ||||
| -rw-r--r-- | include/media/MediaPlayerInterface.h | 1 |
3 files changed, 13 insertions, 0 deletions
diff --git a/include/media/AudioSystem.h b/include/media/AudioSystem.h index b42bf54..42bb4df 100644 --- a/include/media/AudioSystem.h +++ b/include/media/AudioSystem.h @@ -222,6 +222,17 @@ public: static status_t setVoiceVolume(float volume); + // return the number of audio frames written by AudioFlinger to audio HAL and + // audio dsp to DAC since the output on which the specificed stream is playing + // has exited standby. + // returned status (from utils/Errors.h) can be: + // - NO_ERROR: successful operation, halFrames and dspFrames point to valid data + // - INVALID_OPERATION: Not supported on current hardware platform + // - BAD_VALUE: invalid parameter + // NOTE: this feature is not supported on all hardware platforms and it is + // necessary to check returned status before using the returned values. + static status_t getRenderPosition(uint32_t *halFrames, uint32_t *dspFrames, int stream = DEFAULT); + // // AudioPolicyService interface // diff --git a/include/media/IAudioFlinger.h b/include/media/IAudioFlinger.h index b689dcb..bddd23e 100644 --- a/include/media/IAudioFlinger.h +++ b/include/media/IAudioFlinger.h @@ -130,6 +130,7 @@ public: virtual status_t setStreamOutput(uint32_t stream, int output) = 0; virtual status_t setVoiceVolume(float volume) = 0; + virtual status_t getRenderPosition(uint32_t *halFrames, uint32_t *dspFrames, int output) = 0; }; diff --git a/include/media/MediaPlayerInterface.h b/include/media/MediaPlayerInterface.h index 6575da6..588c51a 100644 --- a/include/media/MediaPlayerInterface.h +++ b/include/media/MediaPlayerInterface.h @@ -72,6 +72,7 @@ public: virtual ssize_t frameSize() const = 0; virtual uint32_t latency() const = 0; virtual float msecsPerFrame() const = 0; + virtual status_t getPosition(uint32_t *position) = 0; // If no callback is specified, use the "write" API below to submit // audio data. Otherwise return a full buffer of audio data on each |