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Add more AudioTrack APIs needed for exoplayer.

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Also fix compiler warnings
This commit is contained in:
Julian Winkler
2023-10-08 16:16:36 +02:00
parent b340032e9f
commit f4251af2a2
3 changed files with 64 additions and 17 deletions
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51
src/api-impl/android/media/AudioTrack.java
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@@ -6,6 +6,10 @@ public class AudioTrack {
void onPeriodicNotification(AudioTrack track);
}
public static final int PLAYSTATE_STOPPED = 1;
public static final int PLAYSTATE_PAUSED = 2;
public static final int PLAYSTATE_PLAYING = 3;
int streamType;
int sampleRateInHz;
int channelConfig;
@@ -13,6 +17,8 @@ public class AudioTrack {
int bufferSizeInBytes;
int mode;
private int sessionId;
private int playbackState = PLAYSTATE_STOPPED;
private int playbackHeadPosition = 0;
// for native code's use
long pcm_handle;
@@ -39,6 +45,9 @@ public class AudioTrack {
case 2:
num_channels = 1;
break;
case 12:
num_channels = 2;
break;
default:
num_channels = 1;
}
@@ -66,10 +75,15 @@ public class AudioTrack {
return this.frames;
}
public native void play();
public void play() {
System.out.println("calling AudioTrack.play()\n");
playbackState = PLAYSTATE_PLAYING;
native_play();
}
public void stop() {
System.out.println("calling stop(), how did this not get reported before DIDREEEEEEEEEEEEEEEEEEEEEEEEE\n");
playbackState = PLAYSTATE_STOPPED;
}
public void flush() {
@@ -81,12 +95,43 @@ public class AudioTrack {
}
public int getState() {
return 0; // TODO: fix up the native part and make this work properly
return 1; // TODO: fix up the native part and make this work properly
}
public native int write(byte[] audioData, int offsetInBytes, int sizeInBytes);
public int write(byte[] audioData, int offsetInBytes, int sizeInBytes) {
int framesToWrite = sizeInBytes / channels / 2; // 2 means PCM16
int ret = native_write(audioData, offsetInBytes, framesToWrite);
if (ret > 0) {
playbackHeadPosition += ret;
}
return ret * channels * 2; // 2 means PCM16
}
public int getAudioSessionId() {
return sessionId;
}
public int getSampleRate() {
return sampleRateInHz;
}
public int setStereoVolume(float leftVolume, float rightVolume) {
return 0;
}
public int getPlayState() {
return playbackState;
}
public void pause() {
System.out.println("calling AudioTrack.pause()\n");
playbackState = PLAYSTATE_PAUSED;
}
public int getPlaybackHeadPosition() {
return playbackHeadPosition;
}
public native void native_play();
private native int native_write(byte[] audioData, int offsetInBytes, int sizeInBytes);
}