Support scaling haptic data in HapticGenerator
Move function of scaling haptic data from AudioMixer to vibrator
library. Scaling haptic data in HapticGenerator according to the haptic
intensity.
Bug: 136490803
Test: play audio-coupled-haptic files
Test: play audio with HapticGenerator effect
Change-Id: I6bac63c085332ea87cc6612a8f2f368ad7ef7826
diff --git a/media/libaudioprocessing/AudioMixer.cpp b/media/libaudioprocessing/AudioMixer.cpp
index 1a31420..2ea215f 100644
--- a/media/libaudioprocessing/AudioMixer.cpp
+++ b/media/libaudioprocessing/AudioMixer.cpp
@@ -423,7 +423,7 @@
}
} break;
case HAPTIC_INTENSITY: {
- const haptic_intensity_t hapticIntensity = static_cast<haptic_intensity_t>(valueInt);
+ const os::HapticScale hapticIntensity = static_cast<os::HapticScale>(valueInt);
if (track->mHapticIntensity != hapticIntensity) {
track->mHapticIntensity = hapticIntensity;
}
@@ -545,7 +545,7 @@
t->mPlaybackRate = AUDIO_PLAYBACK_RATE_DEFAULT;
// haptic
t->mHapticPlaybackEnabled = false;
- t->mHapticIntensity = HAPTIC_SCALE_NONE;
+ t->mHapticIntensity = os::HapticScale::NONE;
t->mMixerHapticChannelMask = AUDIO_CHANNEL_NONE;
t->mMixerHapticChannelCount = 0;
t->mAdjustInChannelCount = t->channelCount + t->mHapticChannelCount;
@@ -590,19 +590,12 @@
const std::shared_ptr<Track> &t = getTrack(name);
if (t->mHapticPlaybackEnabled) {
size_t sampleCount = mFrameCount * t->mMixerHapticChannelCount;
- float gamma = t->getHapticScaleGamma();
- float maxAmplitudeRatio = t->getHapticMaxAmplitudeRatio();
uint8_t* buffer = (uint8_t*)pair.first + mFrameCount * audio_bytes_per_frame(
t->mMixerChannelCount, t->mMixerFormat);
switch (t->mMixerFormat) {
// Mixer format should be AUDIO_FORMAT_PCM_FLOAT.
case AUDIO_FORMAT_PCM_FLOAT: {
- float* fout = (float*) buffer;
- for (size_t i = 0; i < sampleCount; i++) {
- float mul = fout[i] >= 0 ? 1.0 : -1.0;
- fout[i] = powf(fabsf(fout[i] / HAPTIC_MAX_AMPLITUDE_FLOAT), gamma)
- * maxAmplitudeRatio * HAPTIC_MAX_AMPLITUDE_FLOAT * mul;
- }
+ os::scaleHapticData((float*) buffer, sampleCount, t->mHapticIntensity);
} break;
default:
LOG_ALWAYS_FATAL("bad mMixerFormat: %#x", t->mMixerFormat);
diff --git a/media/libaudioprocessing/include/media/AudioMixer.h b/media/libaudioprocessing/include/media/AudioMixer.h
index 3f7cd48..70eafe3 100644
--- a/media/libaudioprocessing/include/media/AudioMixer.h
+++ b/media/libaudioprocessing/include/media/AudioMixer.h
@@ -22,10 +22,10 @@
#include <stdint.h>
#include <sys/types.h>
-#include <android/os/IExternalVibratorService.h>
#include <media/AudioMixerBase.h>
#include <media/BufferProviders.h>
#include <utils/threads.h>
+#include <vibrator/ExternalVibrationUtils.h>
// FIXME This is actually unity gain, which might not be max in future, expressed in U.12
#define MAX_GAIN_INT AudioMixerBase::UNITY_GAIN_INT
@@ -55,32 +55,6 @@
// parameter 'value' is a pointer to the new playback rate.
};
- typedef enum { // Haptic intensity, should keep consistent with VibratorService
- HAPTIC_SCALE_MUTE = os::IExternalVibratorService::SCALE_MUTE,
- HAPTIC_SCALE_VERY_LOW = os::IExternalVibratorService::SCALE_VERY_LOW,
- HAPTIC_SCALE_LOW = os::IExternalVibratorService::SCALE_LOW,
- HAPTIC_SCALE_NONE = os::IExternalVibratorService::SCALE_NONE,
- HAPTIC_SCALE_HIGH = os::IExternalVibratorService::SCALE_HIGH,
- HAPTIC_SCALE_VERY_HIGH = os::IExternalVibratorService::SCALE_VERY_HIGH,
- } haptic_intensity_t;
- static constexpr float HAPTIC_SCALE_VERY_LOW_RATIO = 2.0f / 3.0f;
- static constexpr float HAPTIC_SCALE_LOW_RATIO = 3.0f / 4.0f;
- static const constexpr float HAPTIC_MAX_AMPLITUDE_FLOAT = 1.0f;
-
- static inline bool isValidHapticIntensity(haptic_intensity_t hapticIntensity) {
- switch (hapticIntensity) {
- case HAPTIC_SCALE_MUTE:
- case HAPTIC_SCALE_VERY_LOW:
- case HAPTIC_SCALE_LOW:
- case HAPTIC_SCALE_NONE:
- case HAPTIC_SCALE_HIGH:
- case HAPTIC_SCALE_VERY_HIGH:
- return true;
- default:
- return false;
- }
- }
-
AudioMixer(size_t frameCount, uint32_t sampleRate)
: AudioMixerBase(frameCount, sampleRate) {
pthread_once(&sOnceControl, &sInitRoutine);
@@ -170,7 +144,7 @@
// Haptic
bool mHapticPlaybackEnabled;
- haptic_intensity_t mHapticIntensity;
+ os::HapticScale mHapticIntensity;
audio_channel_mask_t mHapticChannelMask;
uint32_t mHapticChannelCount;
audio_channel_mask_t mMixerHapticChannelMask;
@@ -180,38 +154,6 @@
uint32_t mAdjustNonDestructiveInChannelCount;
uint32_t mAdjustNonDestructiveOutChannelCount;
bool mKeepContractedChannels;
-
- float getHapticScaleGamma() const {
- // Need to keep consistent with the value in VibratorService.
- switch (mHapticIntensity) {
- case HAPTIC_SCALE_VERY_LOW:
- return 2.0f;
- case HAPTIC_SCALE_LOW:
- return 1.5f;
- case HAPTIC_SCALE_HIGH:
- return 0.5f;
- case HAPTIC_SCALE_VERY_HIGH:
- return 0.25f;
- default:
- return 1.0f;
- }
- }
-
- float getHapticMaxAmplitudeRatio() const {
- // Need to keep consistent with the value in VibratorService.
- switch (mHapticIntensity) {
- case HAPTIC_SCALE_VERY_LOW:
- return HAPTIC_SCALE_VERY_LOW_RATIO;
- case HAPTIC_SCALE_LOW:
- return HAPTIC_SCALE_LOW_RATIO;
- case HAPTIC_SCALE_NONE:
- case HAPTIC_SCALE_HIGH:
- case HAPTIC_SCALE_VERY_HIGH:
- return 1.0f;
- default:
- return 0.0f;
- }
- }
};
inline std::shared_ptr<Track> getTrack(int name) {