Apply intensity control for haptic data.
Use the same logic in VibrationEffect.scale to control the intensity of
haptic playback in audio framework. Note that as the maximum amplitude
of vibrator is 255, convert the haptic data to pcm_8_bit before doing
scaling.
Test: Manually
Change-Id: I6136d27c9255a215834b6e3092aa8ad696fbae04
diff --git a/services/audioflinger/FastMixer.cpp b/services/audioflinger/FastMixer.cpp
index f328577..ca0d749 100644
--- a/services/audioflinger/FastMixer.cpp
+++ b/services/audioflinger/FastMixer.cpp
@@ -295,6 +295,8 @@
(void *)(uintptr_t)mSinkChannelMask);
mMixer->setParameter(name, AudioMixer::TRACK, AudioMixer::HAPTIC_ENABLED,
(void *)(uintptr_t)fastTrack->mHapticPlaybackEnabled);
+ mMixer->setParameter(name, AudioMixer::TRACK, AudioMixer::HAPTIC_INTENSITY,
+ (void *)(uintptr_t)fastTrack->mHapticIntensity);
mMixer->enable(name);
}
mGenerations[i] = fastTrack->mGeneration;
@@ -333,6 +335,8 @@
(void *)(uintptr_t)mSinkChannelMask);
mMixer->setParameter(name, AudioMixer::TRACK, AudioMixer::HAPTIC_ENABLED,
(void *)(uintptr_t)fastTrack->mHapticPlaybackEnabled);
+ mMixer->setParameter(name, AudioMixer::TRACK, AudioMixer::HAPTIC_INTENSITY,
+ (void *)(uintptr_t)fastTrack->mHapticIntensity);
// already enabled
}
mGenerations[i] = fastTrack->mGeneration;
diff --git a/services/audioflinger/FastMixerState.h b/services/audioflinger/FastMixerState.h
index 9d2a733..c27f2b7 100644
--- a/services/audioflinger/FastMixerState.h
+++ b/services/audioflinger/FastMixerState.h
@@ -19,6 +19,7 @@
#include <audio_utils/minifloat.h>
#include <system/audio.h>
+#include <media/AudioMixer.h>
#include <media/ExtendedAudioBufferProvider.h>
#include <media/nbaio/NBAIO.h>
#include <media/nblog/NBLog.h>
@@ -48,6 +49,8 @@
audio_format_t mFormat; // track format
int mGeneration; // increment when any field is assigned
bool mHapticPlaybackEnabled = false; // haptic playback is enabled or not
+ AudioMixer::haptic_intensity_t mHapticIntensity = AudioMixer::HAPTIC_SCALE_NONE; // intensity of
+ // haptic data
};
// Represents a single state of the fast mixer
diff --git a/services/audioflinger/PlaybackTracks.h b/services/audioflinger/PlaybackTracks.h
index d9f570d..8aeae7d 100644
--- a/services/audioflinger/PlaybackTracks.h
+++ b/services/audioflinger/PlaybackTracks.h
@@ -119,6 +119,14 @@
void setHapticPlaybackEnabled(bool hapticPlaybackEnabled) {
mHapticPlaybackEnabled = hapticPlaybackEnabled;
}
+ /** Return at what intensity to play haptics, used in mixer. */
+ AudioMixer::haptic_intensity_t getHapticIntensity() const { return mHapticIntensity; }
+ /** Set intensity of haptic playback, should be set after querying vibrator service. */
+ void setHapticIntensity(AudioMixer::haptic_intensity_t hapticIntensity) {
+ if (AudioMixer::isValidHapticIntensity(hapticIntensity)) {
+ mHapticIntensity = hapticIntensity;
+ }
+ }
protected:
// for numerous
@@ -197,6 +205,8 @@
sp<media::VolumeHandler> mVolumeHandler; // handles multiple VolumeShaper configs and operations
bool mHapticPlaybackEnabled = false; // indicates haptic playback enabled or not
+ // intensity to play haptic data
+ AudioMixer::haptic_intensity_t mHapticIntensity = AudioMixer::HAPTIC_SCALE_NONE;
private:
// The following fields are only for fast tracks, and should be in a subclass
diff --git a/services/audioflinger/Threads.cpp b/services/audioflinger/Threads.cpp
index 9f838a3..c8480c3 100644
--- a/services/audioflinger/Threads.cpp
+++ b/services/audioflinger/Threads.cpp
@@ -4615,6 +4615,7 @@
fastTrack->mChannelMask = track->mChannelMask;
fastTrack->mFormat = track->mFormat;
fastTrack->mHapticPlaybackEnabled = track->getHapticPlaybackEnabled();
+ fastTrack->mHapticIntensity = track->getHapticIntensity();
fastTrack->mGeneration++;
state->mTrackMask |= 1 << j;
didModify = true;
@@ -4937,6 +4938,10 @@
trackId,
AudioMixer::TRACK,
AudioMixer::HAPTIC_ENABLED, (void *)(uintptr_t)track->getHapticPlaybackEnabled());
+ mAudioMixer->setParameter(
+ trackId,
+ AudioMixer::TRACK,
+ AudioMixer::HAPTIC_INTENSITY, (void *)(uintptr_t)track->getHapticIntensity());
// reset retry count
track->mRetryCount = kMaxTrackRetries;