Add playback rate to AudioMixer
Bug: 19196501
Change-Id: I42d1f90e6297cf3f1304860d1691a5dfedd4c37d
diff --git a/include/media/AudioResamplerPublic.h b/include/media/AudioResamplerPublic.h
index 0634741..3c30148 100644
--- a/include/media/AudioResamplerPublic.h
+++ b/include/media/AudioResamplerPublic.h
@@ -34,6 +34,14 @@
// an int32_t of the phase increments, making the resulting sample rate inexact.
#define AUDIO_RESAMPLER_UP_RATIO_MAX 65536
+#define AUDIO_TIMESTRETCH_SPEED_MIN 0.5f
+#define AUDIO_TIMESTRETCH_SPEED_MAX 2.0f
+#define AUDIO_TIMESTRETCH_SPEED_NORMAL 1.0f
+
+#define AUDIO_TIMESTRETCH_PITCH_MIN 0.5f
+#define AUDIO_TIMESTRETCH_PITCH_MAX 2.0f
+#define AUDIO_TIMESTRETCH_PITCH_NORMAL 1.0f
+
// Returns the source frames needed to resample to destination frames. This is not a precise
// value and depends on the resampler (and possibly how it handles rounding internally).
// Nevertheless, this should be an upper bound on the requirements of the resampler.