这是indexloc提供的服务，不要输入任何密码
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Audiotrack #129

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Merged
merged 4 commits into from
Feb 4, 2018
Merged

Audiotrack #129

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a8f924a
AudioAPI: get main code out of ResultJsonWriter
tomty89 Feb 2, 2018
f488e90
AudioAPI: get info with an AudioTrack instance
tomty89 Feb 2, 2018
e51cebf
updated
its-pointless Feb 2, 2018
0cbaacd
remove unneeded...
its-pointless Feb 4, 2018
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98 changes: 75 additions & 23 deletions app/src/main/java/com/termux/api/AudioAPI.java
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Original file line number Diff line number Diff line change
Expand Up @@ -4,35 +4,87 @@
import android.content.Intent;
import android.media.AudioManager;
import android.util.JsonWriter;
import android.media.AudioTrack;
import android.media.AudioTrack;
import android.media.AudioFormat;
import android.media.AudioAttributes;
import android.os.Build;

import com.termux.api.util.ResultReturner;
import com.termux.api.util.ResultReturner.ResultWriter;



public class AudioAPI {
static void onReceive(TermuxApiReceiver apiReceiver, final Context context, Intent intent) {
ResultReturner.returnData(apiReceiver, intent, new ResultReturner.ResultJsonWriter() {

AudioManager am = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
String SampleRate = am.getProperty(AudioManager.PROPERTY_OUTPUT_SAMPLE_RATE);
String framesPerBuffer = am.getProperty(AudioManager.PROPERTY_OUTPUT_FRAMES_PER_BUFFER);
String AudioUnprocessed = am.getProperty(AudioManager.PROPERTY_SUPPORT_AUDIO_SOURCE_UNPROCESSED);
int nativeoutput = AudioTrack.getNativeOutputSampleRate(AudioManager.STREAM_MUSIC);
int volume_level= am.getStreamVolume(AudioManager.STREAM_MUSIC);
int maxvolume_level = am.getStreamMaxVolume(AudioManager.STREAM_MUSIC);
public void writeJson(JsonWriter out) throws Exception {
out.beginObject();
out.name("PROPERTY_OUTPUT_SAMPLE_RATE").value(SampleRate);
out.name("PROPERTY_OUTPUT_FRAMES_PER_BUFFER").value(framesPerBuffer);
out.name("PROPERTY_SUPPORT_AUDIO_SOURCE_UNPROCESSED").value(AudioUnprocessed);
out.name("STREAM_MUSIC_VOLUME").value(volume_level);
out.name("STREAM_MUSIC_MAXVOLUME").value(maxvolume_level);
out.name("CURRENT_NATIVE_OUTPUT_SAMPLERATE").value(nativeoutput);
AudioManager am = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
AudioTrack at = new AudioTrack (
new AudioAttributes.Builder()
.setFlags(256) // FLAG_LOW_LATENCY
.build(),
new AudioFormat.Builder()
.build(),
4, // bytes; i.e. one 16bit 2ch frame
AudioTrack.MODE_STREAM,
AudioManager.AUDIO_SESSION_ID_GENERATE
);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
final String SampleRate = am.getProperty(AudioManager.PROPERTY_OUTPUT_SAMPLE_RATE);
final String framesPerBuffer = am.getProperty(AudioManager.PROPERTY_OUTPUT_FRAMES_PER_BUFFER);
final String AudioUnprocessed = am.getProperty(AudioManager.PROPERTY_SUPPORT_AUDIO_SOURCE_UNPROCESSED);
final int nativeoutput = AudioTrack.getNativeOutputSampleRate(AudioManager.STREAM_MUSIC);
final int volume_level= am.getStreamVolume(AudioManager.STREAM_MUSIC);
final int maxvolume_level = am.getStreamMaxVolume(AudioManager.STREAM_MUSIC);
/* final int bc = at.getBufferCapacityInFrames(); only available api 24 and up and is always returns same value as
* the initial getbuffersizeinframes */
final int bs = at.getBufferSizeInFrames();
final boolean bluetootha2dp = am.isBluetoothA2dpOn();
final boolean wiredhs = am.isWiredHeadsetOn();
at.release();

ResultReturner.returnData(apiReceiver, intent, new ResultReturner.ResultJsonWriter() {
public void writeJson(JsonWriter out) throws Exception {
out.beginObject();
out.name("PROPERTY_OUTPUT_SAMPLE_RATE").value(SampleRate);
out.name("PROPERTY_OUTPUT_FRAMES_PER_BUFFER").value(framesPerBuffer);
out.name("PROPERTY_SUPPORT_AUDIO_SOURCE_UNPROCESSED").value(AudioUnprocessed);
out.name("STREAM_MUSIC_VOLUME").value(volume_level);
out.name("STREAM_MUSIC_MAXVOLUME").value(maxvolume_level);
out.name("CURRENT_NATIVE_OUTPUT_SAMPLERATE").value(nativeoutput);
out.name("AUDIOTRACK_BUFFER_SIZE_IN_FRAMES").value(bs);
out.name("BLUETOOTH_A2DP_IS_ON").value(bluetootha2dp);
out.name("WIREDHEADSET_IS_CONNECTED").value(wiredhs);
out.endObject();
}
});
}
});
}
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
final String SampleRate = am.getProperty(AudioManager.PROPERTY_OUTPUT_SAMPLE_RATE);
final String framesPerBuffer = am.getProperty(AudioManager.PROPERTY_OUTPUT_FRAMES_PER_BUFFER);
final String AudioUnprocessed = am.getProperty(AudioManager.PROPERTY_SUPPORT_AUDIO_SOURCE_UNPROCESSED);
final int nativeoutput = AudioTrack.getNativeOutputSampleRate(AudioManager.STREAM_MUSIC);
final int volume_level= am.getStreamVolume(AudioManager.STREAM_MUSIC);
final int maxvolume_level = am.getStreamMaxVolume(AudioManager.STREAM_MUSIC);
final boolean WiredHs = am.isWiredHeadsetOn();
final boolean bluetootha2dp = am.isBluetoothA2dpOn();
at.release();

ResultReturner.returnData(apiReceiver, intent, new ResultReturner.ResultJsonWriter() {
public void writeJson(JsonWriter out) throws Exception {
out.beginObject();
out.name("PROPERTY_OUTPUT_SAMPLE_RATE").value(SampleRate);
out.name("PROPERTY_OUTPUT_FRAMES_PER_BUFFER").value(framesPerBuffer);
out.name("PROPERTY_SUPPORT_AUDIO_SOURCE_UNPROCESSED").value(AudioUnprocessed);
out.name("STREAM_MUSIC_VOLUME").value(volume_level);
out.name("STREAM_MUSIC_MAXVOLUME").value(maxvolume_level);
out.name("CURRENT_NATIVE_OUTPUT_SAMPLERATE").value(nativeoutput);
out.name("BLUETOOTH_A2DP_IS_ON").value(bluetootha2dp);
out.name("WIREDHEADSET_IS_CONNECTED").value(WiredHs);
out.endObject();
}
});
}





}
}