Use AudioPlaybackRate to hold TimestretchBufferProvider parameters
Use this struct to handle the parameters for TimestretchBufferProvider all
across the system.
Add stretch mode and fallback mode to TimestretchBuffer Provider.
Change-Id: I19099924a7003c62e48bb6ead56c785cb129fba2
diff --git a/include/media/AudioTrack.h b/include/media/AudioTrack.h
index a06197f..2d34c02 100644
--- a/include/media/AudioTrack.h
+++ b/include/media/AudioTrack.h
@@ -21,6 +21,7 @@
#include <media/AudioSystem.h>
#include <media/AudioTimestamp.h>
#include <media/IAudioTrack.h>
+#include <media/AudioResamplerPublic.h>
#include <utils/threads.h>
namespace android {
@@ -369,10 +370,10 @@
* Speed increases the playback rate of media, but does not alter pitch.
* Pitch increases the "tonal frequency" of media, but does not affect the playback rate.
*/
- status_t setPlaybackRate(float speed, float pitch);
+ status_t setPlaybackRate(const AudioPlaybackRate &playbackRate);
/* Return current playback rate */
- void getPlaybackRate(float *speed, float *pitch) const;
+ const AudioPlaybackRate& getPlaybackRate() const;
/* Enables looping and sets the start and end points of looping.
* Only supported for static buffer mode.
@@ -748,8 +749,7 @@
float mVolume[2];
float mSendLevel;
mutable uint32_t mSampleRate; // mutable because getSampleRate() can update it
- float mSpeed; // timestretch: 1.0f for normal speed.
- float mPitch; // timestretch: 1.0f for normal pitch.
+ AudioPlaybackRate mPlaybackRate;
size_t mFrameCount; // corresponds to current IAudioTrack, value is
// reported back by AudioFlinger to the client
size_t mReqFrameCount; // frame count to request the first or next time