Merge change 21241 into donut
* changes:
Layoutlib now uses the dimen status_bar_height instead of hard-coded value
diff --git a/keystore/MODULE_LICENSE_APACHE2 b/keystore/MODULE_LICENSE_APACHE2
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/keystore/MODULE_LICENSE_APACHE2
diff --git a/keystore/NOTICE b/keystore/NOTICE
new file mode 100644
index 0000000..64aaa8d
--- /dev/null
+++ b/keystore/NOTICE
@@ -0,0 +1,190 @@
+
+ Copyright (c) 2009, The Android Open Source Project
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+
+
+ Apache License
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+ http://www.apache.org/licenses/
+
+ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
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+ form, that is based on (or derived from) the Work and for which the
+ editorial revisions, annotations, elaborations, or other modifications
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+ meet the following conditions:
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+ any Contribution intentionally submitted for inclusion in the Work
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+
diff --git a/packages/TtsService/jni/android_tts_SynthProxy.cpp b/packages/TtsService/jni/android_tts_SynthProxy.cpp
index 99d7723..1bab717 100644
--- a/packages/TtsService/jni/android_tts_SynthProxy.cpp
+++ b/packages/TtsService/jni/android_tts_SynthProxy.cpp
@@ -26,16 +26,25 @@
#include <android_runtime/AndroidRuntime.h>
#include <tts/TtsEngine.h>
#include <media/AudioTrack.h>
+#include <math.h>
#include <dlfcn.h>
#define DEFAULT_TTS_RATE 16000
#define DEFAULT_TTS_FORMAT AudioSystem::PCM_16_BIT
#define DEFAULT_TTS_NB_CHANNELS 1
-#define DEFAULT_TTS_BUFFERSIZE 1024
+#define DEFAULT_TTS_BUFFERSIZE 2048
// TODO use the TTS stream type when available
#define DEFAULT_TTS_STREAM_TYPE AudioSystem::MUSIC
+// EQ + BOOST parameters
+#define FILTER_LOWSHELF_ATTENUATION -18.0f // in dB
+#define FILTER_TRANSITION_FREQ 1100.0f // in Hz
+#define FILTER_SHELF_SLOPE 1.0f // Q
+#define FILTER_GAIN 6.0f // linear gain
+// such a huge gain is justified by how much energy in the low frequencies is "wasted" at the output
+// of the synthesis. The low shelving filter removes it, leaving room for amplification.
+
#define USAGEMODE_PLAY_IMMEDIATELY 0
#define USAGEMODE_WRITE_TO_FILE 1
@@ -57,6 +66,79 @@
};
// ----------------------------------------------------------------------------
+// EQ data
+double amp;
+double w;
+double sinw;
+double cosw;
+double beta;
+double a0, a1, a2, b0, b1, b2;
+double m_fa, m_fb, m_fc, m_fd, m_fe;
+double x0; // x[n]
+double x1; // x[n-1]
+double x2; // x[n-2]
+double out0;// y[n]
+double out1;// y[n-1]
+double out2;// y[n-2]
+
+void initializeEQ() {
+
+ amp = float(pow(10.0, FILTER_LOWSHELF_ATTENUATION / 40.0));
+ w = 2.0 * M_PI * (FILTER_TRANSITION_FREQ / DEFAULT_TTS_RATE);
+ sinw = float(sin(w));
+ cosw = float(cos(w));
+ beta = float(sqrt(amp)/FILTER_SHELF_SLOPE);
+
+ // initialize low-shelf parameters
+ b0 = amp * ((amp+1.0F) - ((amp-1.0F)*cosw) + (beta*sinw));
+ b1 = 2.0F * amp * ((amp-1.0F) - ((amp+1.0F)*cosw));
+ b2 = amp * ((amp+1.0F) - ((amp-1.0F)*cosw) - (beta*sinw));
+ a0 = (amp+1.0F) + ((amp-1.0F)*cosw) + (beta*sinw);
+ a1 = 2.0F * ((amp-1.0F) + ((amp+1.0F)*cosw));
+ a2 = -((amp+1.0F) + ((amp-1.0F)*cosw) - (beta*sinw));
+
+ m_fa = FILTER_GAIN * b0/a0;
+ m_fb = FILTER_GAIN * b1/a0;
+ m_fc = FILTER_GAIN * b2/a0;
+ m_fd = a1/a0;
+ m_fe = a2/a0;
+}
+
+void initializeFilter() {
+ x0 = 0.0f;
+ x1 = 0.0f;
+ x2 = 0.0f;
+ out0 = 0.0f;
+ out1 = 0.0f;
+ out2 = 0.0f;
+}
+
+void applyFilter(int16_t* buffer, size_t sampleCount) {
+
+ for (size_t i=0 ; i<sampleCount ; i++) {
+
+ x0 = (double) buffer[i];
+
+ out0 = (m_fa*x0) + (m_fb*x1) + (m_fc*x2) + (m_fd*out1) + (m_fe*out2);
+
+ x2 = x1;
+ x1 = x0;
+
+ out2 = out1;
+ out1 = out0;
+
+ if (out0 > 32767.0f) {
+ buffer[i] = 32767;
+ } else if (out0 < -32768.0f) {
+ buffer[i] = -32768;
+ } else {
+ buffer[i] = (int16_t) out0;
+ }
+ }
+}
+
+
+// ----------------------------------------------------------------------------
static fields_t javaTTSFields;
// TODO move to synth member once we have multiple simultaneous engines running
@@ -198,12 +280,13 @@
if (wav == NULL) {
delete pForAfter;
- LOGI("Null: speech has completed");
+ LOGV("Null: speech has completed");
}
if (bufferSize > 0) {
prepAudioTrack(pJniData, pForAfter->streamType, rate, format, channel);
if (pJniData->mAudioOut) {
+ applyFilter((int16_t*)wav, bufferSize/2);
pJniData->mAudioOut->write(wav, bufferSize);
memset(wav, 0, bufferSize);
//LOGV("AudioTrack wrote: %d bytes", bufferSize);
@@ -212,13 +295,14 @@
}
}
} else if (pForAfter->usageMode == USAGEMODE_WRITE_TO_FILE) {
- LOGV("Save to file");
+ //LOGV("Save to file");
if (wav == NULL) {
delete pForAfter;
LOGV("Null: speech has completed");
return TTS_CALLBACK_HALT;
}
if (bufferSize > 0){
+ applyFilter((int16_t*)wav, bufferSize/2);
fwrite(wav, 1, bufferSize, pForAfter->outputFile);
memset(wav, 0, bufferSize);
}
@@ -289,6 +373,8 @@
env->SetIntField(thiz, javaTTSFields.synthProxyFieldJniData,
(int)pJniStorage);
+ initializeEQ();
+
env->ReleaseStringUTFChars(nativeSoLib, nativeSoLibNativeString);
}
@@ -479,6 +565,8 @@
return result;
}
+ initializeFilter();
+
Mutex::Autolock l(engineMutex);
// Retrieve audio parameters before writing the file header
@@ -583,6 +671,8 @@
return result;
}
+ initializeFilter();
+
Mutex::Autolock l(engineMutex);
SynthProxyJniStorage* pSynthData = (SynthProxyJniStorage*)jniData;