diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/media/AudioTrack.h | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/include/media/AudioTrack.h b/include/media/AudioTrack.h index fe46a22..d2739f7 100644 --- a/include/media/AudioTrack.h +++ b/include/media/AudioTrack.h @@ -163,7 +163,7 @@ public: * the PCM data to be rendered by AudioTrack is passed in a shared memory buffer * identified by the argument sharedBuffer. This prototype is for static buffer playback. * PCM data must be present in memory before the AudioTrack is started. - * The write() and flush() methods are not supported in this case. + * The write() method is not supported in this case. * It is recommended to pass a callback function to be notified of playback end by an * EVENT_UNDERRUN event. */ @@ -247,8 +247,10 @@ public: void stop(); bool stopped() const; - /* Flush a stopped track. All pending buffers are discarded. - * This function has no effect if the track is not stopped. + /* Flush a stopped or paused track. All previously buffered data is discarded immediately. + * This has the effect of draining the buffers without mixing or output. + * Flush is intended for streaming mode, for example before switching to non-contiguous content. + * This function is a no-op if the track is not stopped or paused, or uses a static buffer. */ void flush(); @@ -492,7 +494,10 @@ protected: audio_output_flags_t flags, const sp<IMemory>& sharedBuffer, audio_io_handle_t output); + + // can only be called when !mActive void flush_l(); + status_t setLoop_l(uint32_t loopStart, uint32_t loopEnd, int loopCount); audio_io_handle_t getOutput_l(); status_t restoreTrack_l(audio_track_cblk_t*& cblk, bool fromStart); |