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AudioAPI: a few updates #184

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Merged
merged 5 commits into from
Jun 23, 2018
Merged

AudioAPI: a few updates #184

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309dc35
AudioAPI: simplify code
tomty89 Jun 16, 2018
db1fea2
AudioAPI: remove volume info
tomty89 Jun 16, 2018
891bb7b
AudioAPI: remove PROPERTY_SUPPORT_AUDIO_SOURCE_UNPROCESSED
tomty89 Jun 16, 2018
809f31a
AudioAPI: order output
tomty89 Jun 16, 2018
34161d7
AudioAPI: check info in PERFORMANCE_MODE_POWER_SAVING
tomty89 Jun 20, 2018
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92 changes: 41 additions & 51 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 @@ -16,86 +16,76 @@ static void onReceive(TermuxApiReceiver apiReceiver, final Context context, Inte
AudioManager am = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
final String SampleRate = am.getProperty(AudioManager.PROPERTY_OUTPUT_SAMPLE_RATE);
final String framesPerBuffer = am.getProperty(AudioManager.PROPERTY_OUTPUT_FRAMES_PER_BUFFER);
final String AudioUnprocessed;
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.N) {
AudioUnprocessed = am.getProperty(AudioManager.PROPERTY_SUPPORT_AUDIO_SOURCE_UNPROCESSED);
} else {
AudioUnprocessed = null;
}
final int volume_level = am.getStreamVolume(AudioManager.STREAM_MUSIC);
final int maxvolume_level = am.getStreamMaxVolume(AudioManager.STREAM_MUSIC);
final boolean bluetootha2dp = am.isBluetoothA2dpOn();
final boolean wiredhs = am.isWiredHeadsetOn();

int _sr, _bs, _sr_ll, _bs_ll, _nosr;
_sr = _bs = _sr_ll = _bs_ll = _nosr = 0;
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
int[] modes = {AudioTrack.PERFORMANCE_MODE_POWER_SAVING,
AudioTrack.PERFORMANCE_MODE_LOW_LATENCY};
for (int mode: modes) {
AudioTrack at = new AudioTrack.Builder()
final int sr, bs, sr_ll, bs_ll, sr_ps, bs_ps, nosr;
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
nosr = 0;
AudioTrack at;
at = new AudioTrack.Builder()
.setBufferSizeInBytes(4) // one 16bit 2ch frame
.build();
sr = at.getSampleRate();
bs = at.getBufferSizeInFrames();
at.release();

if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
at = new AudioTrack.Builder()
.setBufferSizeInBytes(4) // one 16bit 2ch frame
.setPerformanceMode(mode)
.setPerformanceMode(AudioTrack.PERFORMANCE_MODE_LOW_LATENCY)
.build();
if (mode == AudioTrack.PERFORMANCE_MODE_POWER_SAVING) {
_sr = at.getSampleRate();
_bs = at.getBufferSizeInFrames();
} else if (mode == AudioTrack.PERFORMANCE_MODE_LOW_LATENCY) {
_sr_ll = at.getSampleRate();
_bs_ll = at.getBufferSizeInFrames();
}
at.release();
}
} else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
int[] flags = {0,AudioAttributes.FLAG_LOW_LATENCY};
for (int flag: flags) {
} else {
AudioAttributes aa = new AudioAttributes.Builder()
.setFlags(flag)
.setFlags(AudioAttributes.FLAG_LOW_LATENCY)
.build();
AudioTrack at = new AudioTrack.Builder()
at = new AudioTrack.Builder()
.setAudioAttributes(aa)
.setBufferSizeInBytes(4) // one 16bit 2ch frame
.build();
if (flag == 0) {
_sr = at.getSampleRate();
_bs = at.getBufferSizeInFrames();
} else if (flag == AudioAttributes.FLAG_LOW_LATENCY) {
_sr_ll = at.getSampleRate();
_bs_ll = at.getBufferSizeInFrames();
}
at.release();
}
sr_ll = at.getSampleRate();
bs_ll = at.getBufferSizeInFrames();
at.release();

if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
at = new AudioTrack.Builder()
.setBufferSizeInBytes(4) // one 16bit 2ch frame
.setPerformanceMode(AudioTrack.PERFORMANCE_MODE_POWER_SAVING)
.build();
sr_ps = at.getSampleRate();
bs_ps = at.getBufferSizeInFrames();
at.release();
} else {
sr_ps = sr;
bs_ps = bs;
}
} else {
_nosr = AudioTrack.getNativeOutputSampleRate(AudioManager.STREAM_MUSIC);
sr = bs = sr_ll = bs_ll = sr_ps = bs_ps = 0;
nosr = AudioTrack.getNativeOutputSampleRate(AudioManager.STREAM_MUSIC);
}
final int sr = _sr;
final int bs = _bs;
final int sr_ll = _sr_ll;
final int bs_ll = _bs_ll;
final int nosr = _nosr;

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);
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.N) {
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("BLUETOOTH_A2DP_IS_ON").value(bluetootha2dp);
out.name("WIREDHEADSET_IS_CONNECTED").value(wiredhs);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
out.name("AUDIOTRACK_SAMPLE_RATE").value(sr);
out.name("AUDIOTRACK_BUFFER_SIZE_IN_FRAMES").value(bs);
if (sr_ll != sr || bs_ll != bs) { // all or nothing
out.name("AUDIOTRACK_SAMPLE_RATE_LOW_LATENCY").value(sr_ll);
out.name("AUDIOTRACK_BUFFER_SIZE_IN_FRAMES_LOW_LATENCY").value(bs_ll);
}
if (sr_ps != sr || bs_ps != bs) { // all or nothing
out.name("AUDIOTRACK_SAMPLE_RATE_POWER_SAVING").value(sr_ps);
out.name("AUDIOTRACK_BUFFER_SIZE_IN_FRAMES_POWER_SAVING").value(bs_ps);
}
} else {
out.name("AUDIOTRACK_NATIVE_OUTPUT_SAMPLE_RATE").value(nosr);
}
out.name("BLUETOOTH_A2DP_IS_ON").value(bluetootha2dp);
out.name("WIREDHEADSET_IS_CONNECTED").value(wiredhs);
out.endObject();
}
});
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