Update native-audio example app
Additions:
- volume
- stereo position
- mute / solo
- explicit pause / play / loop buttons
- spinner for URI strings
Change-Id: I92f3a191f715567531d03998d4b80e32cc9aceed
diff --git a/ndk/platforms/android-9/samples/native-audio/jni/native-audio-jni.c b/ndk/platforms/android-9/samples/native-audio/jni/native-audio-jni.c
index bc1ad85..105c64a 100644
--- a/ndk/platforms/android-9/samples/native-audio/jni/native-audio-jni.c
+++ b/ndk/platforms/android-9/samples/native-audio/jni/native-audio-jni.c
@@ -30,7 +30,7 @@
// for native audio
#include <SLES/OpenSLES.h>
-#include "SLES/OpenSLES_Android.h"
+#include <SLES/OpenSLES_Android.h>
// for native asset manager
#include <sys/types.h>
@@ -60,6 +60,8 @@
static SLPlayItf bqPlayerPlay;
static SLAndroidSimpleBufferQueueItf bqPlayerBufferQueue;
static SLEffectSendItf bqPlayerEffectSend;
+static SLMuteSoloItf bqPlayerMuteSolo;
+static SLVolumeItf bqPlayerVolume;
// aux effect on the output mix, used by the buffer queue player
static const SLEnvironmentalReverbSettings reverbSettings =
@@ -69,11 +71,15 @@
static SLObjectItf uriPlayerObject = NULL;
static SLPlayItf uriPlayerPlay;
static SLSeekItf uriPlayerSeek;
+static SLMuteSoloItf uriPlayerMuteSolo;
+static SLVolumeItf uriPlayerVolume;
// file descriptor player interfaces
static SLObjectItf fdPlayerObject = NULL;
static SLPlayItf fdPlayerPlay;
static SLSeekItf fdPlayerSeek;
+static SLMuteSoloItf fdPlayerMuteSolo;
+static SLVolumeItf fdPlayerVolume;
// recorder interfaces
static SLObjectItf recorderObject = NULL;
@@ -199,10 +205,12 @@
SLDataSink audioSnk = {&loc_outmix, NULL};
// create audio player
- const SLInterfaceID ids[2] = {SL_IID_BUFFERQUEUE, SL_IID_EFFECTSEND};
- const SLboolean req[2] = {SL_BOOLEAN_TRUE, SL_BOOLEAN_TRUE};
+ const SLInterfaceID ids[3] = {SL_IID_BUFFERQUEUE, SL_IID_EFFECTSEND,
+ /*SL_IID_MUTESOLO,*/ SL_IID_VOLUME};
+ const SLboolean req[3] = {SL_BOOLEAN_TRUE, SL_BOOLEAN_TRUE,
+ /*SL_BOOLEAN_TRUE,*/ SL_BOOLEAN_TRUE};
result = (*engineEngine)->CreateAudioPlayer(engineEngine, &bqPlayerObject, &audioSrc, &audioSnk,
- 2, ids, req);
+ 3, ids, req);
assert(SL_RESULT_SUCCESS == result);
// realize the player
@@ -227,6 +235,16 @@
&bqPlayerEffectSend);
assert(SL_RESULT_SUCCESS == result);
+#if 0 // mute/solo is not supported for sources that are known to be mono, as this is
+ // get the mute/solo interface
+ result = (*bqPlayerObject)->GetInterface(bqPlayerObject, SL_IID_MUTESOLO, &bqPlayerMuteSolo);
+ assert(SL_RESULT_SUCCESS == result);
+#endif
+
+ // get the volume interface
+ result = (*bqPlayerObject)->GetInterface(bqPlayerObject, SL_IID_VOLUME, &bqPlayerVolume);
+ assert(SL_RESULT_SUCCESS == result);
+
// set the player's state to playing
result = (*bqPlayerPlay)->SetPlayState(bqPlayerPlay, SL_PLAYSTATE_PLAYING);
assert(SL_RESULT_SUCCESS == result);
@@ -255,10 +273,10 @@
SLDataSink audioSnk = {&loc_outmix, NULL};
// create audio player
- const SLInterfaceID ids[1] = {SL_IID_SEEK};
- const SLboolean req[1] = {SL_BOOLEAN_TRUE};
+ const SLInterfaceID ids[3] = {SL_IID_SEEK, SL_IID_MUTESOLO, SL_IID_VOLUME};
+ const SLboolean req[3] = {SL_BOOLEAN_TRUE, SL_BOOLEAN_TRUE, SL_BOOLEAN_TRUE};
result = (*engineEngine)->CreateAudioPlayer(engineEngine, &uriPlayerObject, &audioSrc,
- &audioSnk, 1, ids, req);
+ &audioSnk, 3, ids, req);
// note that an invalid URI is not detected here, but during prepare/prefetch on Android,
// or possibly during Realize on other platforms
assert(SL_RESULT_SUCCESS == result);
@@ -283,8 +301,12 @@
result = (*uriPlayerObject)->GetInterface(uriPlayerObject, SL_IID_SEEK, &uriPlayerSeek);
assert(SL_RESULT_SUCCESS == result);
- // enable whole file looping
- result = (*uriPlayerSeek)->SetLoop(uriPlayerSeek, SL_BOOLEAN_TRUE, 0, SL_TIME_UNKNOWN);
+ // get the mute/solo interface
+ result = (*uriPlayerObject)->GetInterface(uriPlayerObject, SL_IID_MUTESOLO, &uriPlayerMuteSolo);
+ assert(SL_RESULT_SUCCESS == result);
+
+ // get the volume interface
+ result = (*uriPlayerObject)->GetInterface(uriPlayerObject, SL_IID_VOLUME, &uriPlayerVolume);
assert(SL_RESULT_SUCCESS == result);
return JNI_TRUE;
@@ -292,6 +314,7 @@
// set the playing state for the URI audio player
+// to PLAYING (true) or PAUSED (false)
void Java_com_example_nativeaudio_NativeAudio_setPlayingUriAudioPlayer(JNIEnv* env,
jclass clazz, jboolean isPlaying)
{
@@ -310,6 +333,134 @@
}
+// set the whole file looping state for the URI audio player
+void Java_com_example_nativeaudio_NativeAudio_setLoopingUriAudioPlayer(JNIEnv* env,
+ jclass clazz, jboolean isLooping)
+{
+ SLresult result;
+
+ // make sure the URI audio player was created
+ if (NULL != uriPlayerSeek) {
+
+ // set the looping state
+ result = (*uriPlayerSeek)->SetLoop(uriPlayerSeek, (SLboolean) isLooping, 0,
+ SL_TIME_UNKNOWN);
+ assert(SL_RESULT_SUCCESS == result);
+
+ }
+
+}
+
+
+// expose the mute/solo APIs to Java for one of the 3 players
+
+static SLMuteSoloItf getMuteSolo()
+{
+ if (uriPlayerMuteSolo != NULL)
+ return uriPlayerMuteSolo;
+ else if (fdPlayerMuteSolo != NULL)
+ return fdPlayerMuteSolo;
+ else
+ return bqPlayerMuteSolo;
+}
+
+void Java_com_example_nativeaudio_NativeAudio_setChannelMuteUriAudioPlayer(JNIEnv* env,
+ jclass clazz, jint chan, jboolean mute)
+{
+ SLresult result;
+ SLMuteSoloItf muteSoloItf = getMuteSolo();
+ if (NULL != muteSoloItf) {
+ result = (*muteSoloItf)->SetChannelMute(muteSoloItf, chan, mute);
+ assert(SL_RESULT_SUCCESS == result);
+ }
+}
+
+void Java_com_example_nativeaudio_NativeAudio_setChannelSoloUriAudioPlayer(JNIEnv* env,
+ jclass clazz, jint chan, jboolean solo)
+{
+ SLresult result;
+ SLMuteSoloItf muteSoloItf = getMuteSolo();
+ if (NULL != muteSoloItf) {
+ result = (*muteSoloItf)->SetChannelSolo(muteSoloItf, chan, solo);
+ assert(SL_RESULT_SUCCESS == result);
+ }
+}
+
+int Java_com_example_nativeaudio_NativeAudio_getNumChannelsUriAudioPlayer(JNIEnv* env, jclass clazz)
+{
+ SLuint8 numChannels;
+ SLresult result;
+ SLMuteSoloItf muteSoloItf = getMuteSolo();
+ if (NULL != muteSoloItf) {
+ result = (*muteSoloItf)->GetNumChannels(muteSoloItf, &numChannels);
+ if (SL_RESULT_PRECONDITIONS_VIOLATED == result) {
+ // channel count is not yet known
+ numChannels = 0;
+ } else {
+ assert(SL_RESULT_SUCCESS == result);
+ }
+ } else {
+ numChannels = 0;
+ }
+ return numChannels;
+}
+
+// expose the volume APIs to Java for one of the 3 players
+
+static SLVolumeItf getVolume()
+{
+ if (uriPlayerVolume != NULL)
+ return uriPlayerVolume;
+ else if (fdPlayerVolume != NULL)
+ return fdPlayerVolume;
+ else
+ return bqPlayerVolume;
+}
+
+void Java_com_example_nativeaudio_NativeAudio_setVolumeUriAudioPlayer(JNIEnv* env, jclass clazz,
+ jint millibel)
+{
+ SLresult result;
+ SLVolumeItf volumeItf = getVolume();
+ if (NULL != volumeItf) {
+ result = (*volumeItf)->SetVolumeLevel(volumeItf, millibel);
+ assert(SL_RESULT_SUCCESS == result);
+ }
+}
+
+void Java_com_example_nativeaudio_NativeAudio_setMuteUriAudioPlayer(JNIEnv* env, jclass clazz,
+ jboolean mute)
+{
+ SLresult result;
+ SLVolumeItf volumeItf = getVolume();
+ if (NULL != volumeItf) {
+ result = (*volumeItf)->SetMute(volumeItf, mute);
+ assert(SL_RESULT_SUCCESS == result);
+ }
+}
+
+void Java_com_example_nativeaudio_NativeAudio_enableStereoPositionUriAudioPlayer(JNIEnv* env,
+ jclass clazz, jboolean enable)
+{
+ SLresult result;
+ SLVolumeItf volumeItf = getVolume();
+ if (NULL != volumeItf) {
+ result = (*volumeItf)->EnableStereoPosition(volumeItf, enable);
+ assert(SL_RESULT_SUCCESS == result);
+ }
+}
+
+void Java_com_example_nativeaudio_NativeAudio_setStereoPositionUriAudioPlayer(JNIEnv* env,
+ jclass clazz, jint permille)
+{
+ SLresult result;
+ SLVolumeItf volumeItf = getVolume();
+ if (NULL != volumeItf) {
+ result = (*volumeItf)->SetStereoPosition(volumeItf, permille);
+ assert(SL_RESULT_SUCCESS == result);
+ }
+}
+
// enable reverb on the buffer queue player
jboolean Java_com_example_nativeaudio_NativeAudio_enableReverb(JNIEnv* env, jclass clazz,
jboolean enabled)
@@ -426,10 +577,10 @@
SLDataSink audioSnk = {&loc_outmix, NULL};
// create audio player
- const SLInterfaceID ids[1] = {SL_IID_SEEK};
- const SLboolean req[1] = {SL_BOOLEAN_TRUE};
+ const SLInterfaceID ids[3] = {SL_IID_SEEK, SL_IID_MUTESOLO, SL_IID_VOLUME};
+ const SLboolean req[3] = {SL_BOOLEAN_TRUE, SL_BOOLEAN_TRUE, SL_BOOLEAN_TRUE};
result = (*engineEngine)->CreateAudioPlayer(engineEngine, &fdPlayerObject, &audioSrc, &audioSnk,
- 1, ids, req);
+ 3, ids, req);
assert(SL_RESULT_SUCCESS == result);
// realize the player
@@ -444,6 +595,14 @@
result = (*fdPlayerObject)->GetInterface(fdPlayerObject, SL_IID_SEEK, &fdPlayerSeek);
assert(SL_RESULT_SUCCESS == result);
+ // get the mute/solo interface
+ result = (*fdPlayerObject)->GetInterface(fdPlayerObject, SL_IID_MUTESOLO, &fdPlayerMuteSolo);
+ assert(SL_RESULT_SUCCESS == result);
+
+ // get the volume interface
+ result = (*fdPlayerObject)->GetInterface(fdPlayerObject, SL_IID_VOLUME, &fdPlayerVolume);
+ assert(SL_RESULT_SUCCESS == result);
+
// enable whole file looping
result = (*fdPlayerSeek)->SetLoop(fdPlayerSeek, SL_BOOLEAN_TRUE, 0, SL_TIME_UNKNOWN);
assert(SL_RESULT_SUCCESS == result);
@@ -562,6 +721,8 @@
bqPlayerPlay = NULL;
bqPlayerBufferQueue = NULL;
bqPlayerEffectSend = NULL;
+ bqPlayerMuteSolo = NULL;
+ bqPlayerVolume = NULL;
}
// destroy file descriptor audio player object, and invalidate all associated interfaces
@@ -570,6 +731,8 @@
fdPlayerObject = NULL;
fdPlayerPlay = NULL;
fdPlayerSeek = NULL;
+ fdPlayerMuteSolo = NULL;
+ fdPlayerVolume = NULL;
}
// destroy URI audio player object, and invalidate all associated interfaces
@@ -578,6 +741,8 @@
uriPlayerObject = NULL;
uriPlayerPlay = NULL;
uriPlayerSeek = NULL;
+ uriPlayerMuteSolo = NULL;
+ uriPlayerVolume = NULL;
}
// destroy audio recorder object, and invalidate all associated interfaces
diff --git a/ndk/platforms/android-9/samples/native-audio/res/layout/main.xml b/ndk/platforms/android-9/samples/native-audio/res/layout/main.xml
index b9fb95a..eca928a 100644
--- a/ndk/platforms/android-9/samples/native-audio/res/layout/main.xml
+++ b/ndk/platforms/android-9/samples/native-audio/res/layout/main.xml
@@ -26,6 +26,11 @@
android:layout_height="wrap_content"
android:text="@string/hello"
/>
+<LinearLayout
+ android:orientation="horizontal"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ >
<Button
android:id="@+id/hello"
android:text="Hello"
@@ -45,20 +50,123 @@
android:layout_height="wrap_content"
/>
<Button
+ android:id="@+id/embedded_soundtrack"
+ android:text="Embedded\nsoundtrack"
+ android:layout_width="fill_parent"
+ android:layout_height="wrap_content"
+ />
+</LinearLayout>
+<LinearLayout
+ android:orientation="horizontal"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ >
+<Button
android:id="@+id/reverb"
android:text="Reverb"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
/>
<Button
- android:id="@+id/embedded_soundtrack"
- android:text="Embedded soundtrack"
+ android:id="@+id/mute_uri"
+ android:text="Mute"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
/>
<Button
+ android:id="@+id/enable_stereo_position_uri"
+ android:text="Enable SP"
+ android:layout_width="fill_parent"
+ android:layout_height="wrap_content"
+ />
+</LinearLayout>
+<LinearLayout
+ android:orientation="horizontal"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ >
+<Spinner
+ android:id="@+id/uri_spinner"
+ android:layout_width="fill_parent"
+ android:layout_height="wrap_content"
+ android:text="URI spinner"
+ />
+</LinearLayout>
+<LinearLayout
+ android:orientation="horizontal"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ >
+<Button
android:id="@+id/uri_soundtrack"
- android:text="URI soundtrack"
+ android:text="URI\nsoundtrack"
+ android:layout_width="fill_parent"
+ android:layout_height="wrap_content"
+ />
+<Button
+ android:id="@+id/pause_uri"
+ android:text="Pause\nURI"
+ android:layout_width="fill_parent"
+ android:layout_height="wrap_content"
+ />
+<Button
+ android:id="@+id/play_uri"
+ android:text="Play\nURI"
+ android:layout_width="fill_parent"
+ android:layout_height="wrap_content"
+ />
+<Button
+ android:id="@+id/loop_uri"
+ android:text="Loop\nURI"
+ android:layout_width="fill_parent"
+ android:layout_height="wrap_content"
+ />
+</LinearLayout>
+<LinearLayout
+ android:orientation="horizontal"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ >
+ <Button
+ android:id="@+id/mute_left_uri"
+ android:text="mute left"
+ android:layout_width="fill_parent"
+ android:layout_height="wrap_content"
+ />
+ <Button
+ android:id="@+id/mute_right_uri"
+ android:text="mute right"
+ android:layout_width="fill_parent"
+ android:layout_height="wrap_content"
+ />
+ <Button
+ android:id="@+id/solo_left_uri"
+ android:text="solo left"
+ android:layout_width="fill_parent"
+ android:layout_height="wrap_content"
+ />
+ <Button
+ android:id="@+id/solo_right_uri"
+ android:text="solo right"
+ android:layout_width="fill_parent"
+ android:layout_height="wrap_content"
+ />
+</LinearLayout>
+<Button
+ android:id="@+id/channels_uri"
+ android:text="Get channels"
+ android:layout_width="fill_parent"
+ android:layout_height="wrap_content"
+ />
+<SeekBar
+ android:id="@+id/volume_uri"
+ android:text="Volume"
+ android:layout_width="fill_parent"
+ android:layout_height="wrap_content"
+ />
+<SeekBar
+ android:id="@+id/pan_uri"
+ android:text="Pan"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
/>
diff --git a/ndk/platforms/android-9/samples/native-audio/res/values/strings.xml b/ndk/platforms/android-9/samples/native-audio/res/values/strings.xml
index 280c103..f6f2834 100644
--- a/ndk/platforms/android-9/samples/native-audio/res/values/strings.xml
+++ b/ndk/platforms/android-9/samples/native-audio/res/values/strings.xml
@@ -19,4 +19,10 @@
<resources>
<string name="hello">Hello, Android using native audio!</string>
<string name="app_name">NativeAudio</string>
+
+ <string-array name="uri_spinner_array">
+ <item>http://upload.wikimedia.org/wikipedia/commons/6/6d/Banana.ogg</item>
+ <item>http://www.freesound.org/data/previews/18/18765_18799-lq.mp3</item>
+ </string-array>
+
</resources>
diff --git a/ndk/platforms/android-9/samples/native-audio/src/com/example/nativeaudio/NativeAudio.java b/ndk/platforms/android-9/samples/native-audio/src/com/example/nativeaudio/NativeAudio.java
index 5a7b3ef..7138123 100644
--- a/ndk/platforms/android-9/samples/native-audio/src/com/example/nativeaudio/NativeAudio.java
+++ b/ndk/platforms/android-9/samples/native-audio/src/com/example/nativeaudio/NativeAudio.java
@@ -19,24 +19,35 @@
import android.app.Activity;
import android.content.res.AssetManager;
import android.os.Bundle;
+//import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
+import android.widget.AdapterView;
+import android.widget.ArrayAdapter;
import android.widget.Button;
+import android.widget.SeekBar;
+import android.widget.SeekBar.OnSeekBarChangeListener;
+import android.widget.Spinner;
+import android.widget.Toast;
public class NativeAudio extends Activity {
+ //static final String TAG = "NativeAudio";
+
static final int CLIP_NONE = 0;
static final int CLIP_HELLO = 1;
static final int CLIP_ANDROID = 2;
static final int CLIP_SAWTOOTH = 3;
static final int CLIP_PLAYBACK = 4;
- static final String URI = "http://upload.wikimedia.org/wikipedia/commons/6/6d/Banana.ogg";
+ static String URI;
static AssetManager assetManager;
static boolean isPlayingAsset = false;
static boolean isPlayingUri = false;
+ static int numChannelsUri = 0;
+
/** Called when the activity is first created. */
@Override
protected void onCreate(Bundle icicle) {
@@ -50,6 +61,24 @@
createEngine();
createBufferQueueAudioPlayer();
+ // initialize URI spinner
+ Spinner uriSpinner = (Spinner) findViewById(R.id.uri_spinner);
+ ArrayAdapter<CharSequence> uriAdapter = ArrayAdapter.createFromResource(
+ this, R.array.uri_spinner_array, android.R.layout.simple_spinner_item);
+ uriAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
+ uriSpinner.setAdapter(uriAdapter);
+ uriSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
+
+ public void onItemSelected(AdapterView<?> parent, View view, int pos, long id) {
+ URI = parent.getItemAtPosition(pos).toString();
+ }
+
+ public void onNothingSelected(AdapterView parent) {
+ URI = null;
+ }
+
+ });
+
// initialize button click handlers
((Button) findViewById(R.id.hello)).setOnClickListener(new OnClickListener() {
@@ -99,16 +128,122 @@
((Button) findViewById(R.id.uri_soundtrack)).setOnClickListener(new OnClickListener() {
boolean created = false;
public void onClick(View view) {
- if (!created) {
+ if (!created && URI != null) {
created = createUriAudioPlayer(URI);
}
- if (created) {
- isPlayingUri = !isPlayingUri;
- setPlayingUriAudioPlayer(isPlayingUri);
- }
}
});
+ ((Button) findViewById(R.id.pause_uri)).setOnClickListener(new OnClickListener() {
+ public void onClick(View view) {
+ setPlayingUriAudioPlayer(false);
+ }
+ });
+
+ ((Button) findViewById(R.id.play_uri)).setOnClickListener(new OnClickListener() {
+ public void onClick(View view) {
+ setPlayingUriAudioPlayer(true);
+ }
+ });
+
+ ((Button) findViewById(R.id.loop_uri)).setOnClickListener(new OnClickListener() {
+ boolean isLooping = false;
+ public void onClick(View view) {
+ isLooping = !isLooping;
+ setLoopingUriAudioPlayer(isLooping);
+ }
+ });
+
+ ((Button) findViewById(R.id.mute_left_uri)).setOnClickListener(new OnClickListener() {
+ boolean muted = false;
+ public void onClick(View view) {
+ muted = !muted;
+ setChannelMuteUriAudioPlayer(0, muted);
+ }
+ });
+
+ ((Button) findViewById(R.id.mute_right_uri)).setOnClickListener(new OnClickListener() {
+ boolean muted = false;
+ public void onClick(View view) {
+ muted = !muted;
+ setChannelMuteUriAudioPlayer(1, muted);
+ }
+ });
+
+ ((Button) findViewById(R.id.solo_left_uri)).setOnClickListener(new OnClickListener() {
+ boolean soloed = false;
+ public void onClick(View view) {
+ soloed = !soloed;
+ setChannelSoloUriAudioPlayer(0, soloed);
+ }
+ });
+
+ ((Button) findViewById(R.id.solo_right_uri)).setOnClickListener(new OnClickListener() {
+ boolean soloed = false;
+ public void onClick(View view) {
+ soloed = !soloed;
+ setChannelSoloUriAudioPlayer(1, soloed);
+ }
+ });
+
+ ((Button) findViewById(R.id.mute_uri)).setOnClickListener(new OnClickListener() {
+ boolean muted = false;
+ public void onClick(View view) {
+ muted = !muted;
+ setMuteUriAudioPlayer(muted);
+ }
+ });
+
+ ((Button) findViewById(R.id.enable_stereo_position_uri)).setOnClickListener(
+ new OnClickListener() {
+ boolean enabled = false;
+ public void onClick(View view) {
+ enabled = !enabled;
+ enableStereoPositionUriAudioPlayer(enabled);
+ }
+ });
+
+ ((Button) findViewById(R.id.channels_uri)).setOnClickListener(new OnClickListener() {
+ public void onClick(View view) {
+ if (numChannelsUri == 0) {
+ numChannelsUri = getNumChannelsUriAudioPlayer();
+ }
+ Toast.makeText(NativeAudio.this, "Channels: " + numChannelsUri,
+ Toast.LENGTH_SHORT).show();
+ }
+ });
+
+ ((SeekBar) findViewById(R.id.volume_uri)).setOnSeekBarChangeListener(
+ new OnSeekBarChangeListener() {
+ int lastProgress = 100;
+ public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
+ assert progress >= 0 && progress <= 100;
+ lastProgress = progress;
+ }
+ public void onStartTrackingTouch(SeekBar seekBar) {
+ }
+ public void onStopTrackingTouch(SeekBar seekBar) {
+ int attenuation = 100 - lastProgress;
+ int millibel = attenuation * -50;
+ setVolumeUriAudioPlayer(millibel);
+ }
+ });
+
+ ((SeekBar) findViewById(R.id.pan_uri)).setOnSeekBarChangeListener(
+ new OnSeekBarChangeListener() {
+ int lastProgress = 100;
+ public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
+ assert progress >= 0 && progress <= 100;
+ lastProgress = progress;
+ }
+ public void onStartTrackingTouch(SeekBar seekBar) {
+ }
+ public void onStopTrackingTouch(SeekBar seekBar) {
+ int permille = (lastProgress - 50) * 20;
+ setStereoPositionUriAudioPlayer(permille);
+ }
+ });
+
((Button) findViewById(R.id.record)).setOnClickListener(new OnClickListener() {
boolean created = false;
public void onClick(View view) {
@@ -155,9 +290,18 @@
public static native void createEngine();
public static native void createBufferQueueAudioPlayer();
public static native boolean createAssetAudioPlayer(AssetManager assetManager, String filename);
+ // true == PLAYING, false == PAUSED
public static native void setPlayingAssetAudioPlayer(boolean isPlaying);
public static native boolean createUriAudioPlayer(String uri);
public static native void setPlayingUriAudioPlayer(boolean isPlaying);
+ public static native void setLoopingUriAudioPlayer(boolean isLooping);
+ public static native void setChannelMuteUriAudioPlayer(int chan, boolean mute);
+ public static native void setChannelSoloUriAudioPlayer(int chan, boolean solo);
+ public static native int getNumChannelsUriAudioPlayer();
+ public static native void setVolumeUriAudioPlayer(int millibel);
+ public static native void setMuteUriAudioPlayer(boolean mute);
+ public static native void enableStereoPositionUriAudioPlayer(boolean enable);
+ public static native void setStereoPositionUriAudioPlayer(int permille);
public static native boolean selectClip(int which, int count);
public static native boolean enableReverb(boolean enabled);
public static native boolean createAudioRecorder();
