Visualizer implementation for Android.
This commit is contained in:
Ryan Heise
parent
602dc44029
commit
1fecd5ac1f
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@ -1,8 +1,14 @@
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package com.ryanheise.just_audio;
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import android.Manifest;
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import android.app.Activity;
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import android.content.Context;
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import android.content.pm.PackageManager;
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import android.media.audiofx.Visualizer;
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import android.net.Uri;
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import android.os.Handler;
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import androidx.core.app.ActivityCompat;
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import androidx.core.content.ContextCompat;
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import com.google.android.exoplayer2.C;
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import com.google.android.exoplayer2.ExoPlaybackException;
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import com.google.android.exoplayer2.MediaItem;
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@ -35,13 +41,13 @@ import com.google.android.exoplayer2.upstream.DefaultHttpDataSourceFactory;
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import com.google.android.exoplayer2.util.MimeTypes;
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import com.google.android.exoplayer2.util.Util;
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import io.flutter.Log;
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import io.flutter.embedding.engine.plugins.activity.ActivityPluginBinding;
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import io.flutter.plugin.common.BinaryMessenger;
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import io.flutter.plugin.common.EventChannel;
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import io.flutter.plugin.common.EventChannel.EventSink;
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import io.flutter.plugin.common.MethodCall;
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import io.flutter.plugin.common.MethodChannel;
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import io.flutter.plugin.common.MethodChannel.MethodCallHandler;
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import io.flutter.plugin.common.MethodChannel.Result;
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import io.flutter.plugin.common.PluginRegistry;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Collections;
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@ -50,7 +56,7 @@ import java.util.List;
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import java.util.Map;
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import java.util.Random;
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public class AudioPlayer implements MethodCallHandler, Player.EventListener, AudioListener, MetadataOutput {
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public class AudioPlayer implements MethodCallHandler, Player.EventListener, AudioListener, MetadataOutput, PluginRegistry.RequestPermissionsResultListener {
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static final String TAG = "AudioPlayer";
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@ -58,8 +64,8 @@ public class AudioPlayer implements MethodCallHandler, Player.EventListener, Aud
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private final Context context;
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private final MethodChannel methodChannel;
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private final EventChannel eventChannel;
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private EventSink eventSink;
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private final BetterEventChannel eventChannel;
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private ActivityPluginBinding activityPluginBinding;
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private ProcessingState processingState;
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private long bufferedPosition;
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@ -77,6 +83,12 @@ public class AudioPlayer implements MethodCallHandler, Player.EventListener, Aud
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private IcyHeaders icyHeaders;
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private int errorCount;
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private AudioAttributes pendingAudioAttributes;
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private BetterVisualizer visualizer;
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private Result startVisualizerResult;
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private boolean enableWaveform;
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private boolean enableFft;
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private Integer visualizerCaptureRate;
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private Integer visualizerCaptureSize;
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private SimpleExoPlayer player;
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private Integer audioSessionId;
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@ -114,19 +126,27 @@ public class AudioPlayer implements MethodCallHandler, Player.EventListener, Aud
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this.context = applicationContext;
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methodChannel = new MethodChannel(messenger, "com.ryanheise.just_audio.methods." + id);
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methodChannel.setMethodCallHandler(this);
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eventChannel = new EventChannel(messenger, "com.ryanheise.just_audio.events." + id);
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eventChannel.setStreamHandler(new EventChannel.StreamHandler() {
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@Override
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public void onListen(final Object arguments, final EventSink eventSink) {
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AudioPlayer.this.eventSink = eventSink;
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eventChannel = new BetterEventChannel(messenger, "com.ryanheise.just_audio.events." + id);
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visualizer = new BetterVisualizer(messenger, id);
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processingState = ProcessingState.none;
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}
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@Override
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public void onCancel(final Object arguments) {
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eventSink = null;
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private void requestPermissions() {
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ActivityCompat.requestPermissions(activityPluginBinding.getActivity(), new String[] { Manifest.permission.RECORD_AUDIO }, 1);
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}
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public void setActivityPluginBinding(ActivityPluginBinding activityPluginBinding) {
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if (this.activityPluginBinding != null && this.activityPluginBinding != activityPluginBinding) {
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this.activityPluginBinding.removeRequestPermissionsResultListener(this);
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}
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this.activityPluginBinding = activityPluginBinding;
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if (activityPluginBinding != null) {
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activityPluginBinding.addRequestPermissionsResultListener(this);
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// If there is a pending startVisualizer request
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if (startVisualizerResult != null) {
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requestPermissions();
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}
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}
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});
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processingState = ProcessingState.none;
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}
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private void startWatchingBuffer() {
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@ -134,6 +154,22 @@ public class AudioPlayer implements MethodCallHandler, Player.EventListener, Aud
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handler.post(bufferWatcher);
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}
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@Override
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public boolean onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
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for (int i = 0; i < permissions.length; i++) {
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if (permissions[i].equals(Manifest.permission.RECORD_AUDIO)) {
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if (grantResults[i] == PackageManager.PERMISSION_GRANTED) {
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visualizer.setHasPermission(true);
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completeStartVisualizer(true);
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return true;
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}
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completeStartVisualizer(false);
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break;
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}
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}
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return false;
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}
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@Override
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public void onAudioSessionId(int audioSessionId) {
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if (audioSessionId == C.AUDIO_SESSION_ID_UNSET) {
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@ -141,6 +177,7 @@ public class AudioPlayer implements MethodCallHandler, Player.EventListener, Aud
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} else {
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this.audioSessionId = audioSessionId;
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}
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visualizer.onAudioSessionId(this.audioSessionId);
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}
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@Override
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@ -277,12 +314,48 @@ public class AudioPlayer implements MethodCallHandler, Player.EventListener, Aud
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seekResult = null;
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}
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private void completeStartVisualizer(boolean success) {
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if (startVisualizerResult == null) return;
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if (success) {
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visualizer.start(visualizerCaptureRate, visualizerCaptureSize, enableWaveform, enableFft);
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Map<String, Object> resultMap = new HashMap<String, Object>();
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resultMap.put("samplingRate", visualizer.getSamplingRate());
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startVisualizerResult.success(resultMap);
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} else {
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startVisualizerResult.error("RECORD_AUDIO permission denied", null, null);
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}
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startVisualizerResult = null;
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}
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@Override
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public void onMethodCall(final MethodCall call, final Result result) {
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ensurePlayerInitialized();
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try {
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switch (call.method) {
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case "startVisualizer":
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Boolean enableWaveform = call.argument("enableWaveform");
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Boolean enableFft = call.argument("enableFft");
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Integer captureRate = call.argument("captureRate");
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Integer captureSize = call.argument("captureSize");
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this.enableWaveform = enableWaveform;
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this.enableFft = enableFft;
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visualizerCaptureRate = captureRate;
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visualizerCaptureSize = captureSize;
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startVisualizerResult = result;
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if (ContextCompat.checkSelfPermission(context, Manifest.permission.RECORD_AUDIO) == PackageManager.PERMISSION_GRANTED) {
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visualizer.setHasPermission(true);
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completeStartVisualizer(true);
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} else if (activityPluginBinding != null && activityPluginBinding.getActivity() != null) {
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requestPermissions();
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} else {
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// Will request permission in setActivityPluginBinding
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}
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break;
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case "stopVisualizer":
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visualizer.stop();
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result.success(new HashMap<String, Object>());
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break;
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case "load":
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Long initialPosition = getLong(call.argument("initialPosition"));
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Integer initialIndex = call.argument("initialIndex");
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@ -565,9 +638,7 @@ public class AudioPlayer implements MethodCallHandler, Player.EventListener, Aud
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event.put("currentIndex", currentIndex);
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event.put("androidAudioSessionId", audioSessionId);
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if (eventSink != null) {
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eventSink.success(event);
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}
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eventChannel.success(event);
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}
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private Map<String, Object> collectIcyMetadata() {
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@ -615,9 +686,7 @@ public class AudioPlayer implements MethodCallHandler, Player.EventListener, Aud
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prepareResult = null;
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}
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if (eventSink != null) {
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eventSink.error(errorCode, errorMsg, null);
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}
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eventChannel.error(errorCode, errorMsg, null);
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}
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private void transition(final ProcessingState newState) {
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@ -706,9 +775,8 @@ public class AudioPlayer implements MethodCallHandler, Player.EventListener, Aud
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player = null;
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transition(ProcessingState.none);
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}
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if (eventSink != null) {
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eventSink.endOfStream();
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}
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eventChannel.endOfStream();
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visualizer.dispose();
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}
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private void abortSeek() {
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@ -0,0 +1,39 @@
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package com.ryanheise.just_audio;
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import io.flutter.plugin.common.BinaryMessenger;
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import io.flutter.plugin.common.EventChannel;
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import io.flutter.plugin.common.EventChannel.EventSink;
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public class BetterEventChannel implements EventSink {
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private EventSink eventSink;
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public BetterEventChannel(final BinaryMessenger messenger, final String id) {
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EventChannel eventChannel = new EventChannel(messenger, id);
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eventChannel.setStreamHandler(new EventChannel.StreamHandler() {
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@Override
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public void onListen(final Object arguments, final EventSink eventSink) {
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BetterEventChannel.this.eventSink = eventSink;
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}
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@Override
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public void onCancel(final Object arguments) {
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eventSink = null;
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}
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});
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}
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@Override
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public void success(Object event) {
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if (eventSink != null) eventSink.success(event);
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}
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@Override
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public void error(String errorCode, String errorMessage, Object errorDetails) {
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if (eventSink != null) eventSink.error(errorCode, errorMessage, errorDetails);
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}
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@Override
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public void endOfStream() {
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if (eventSink != null) eventSink.endOfStream();
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}
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}
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@ -0,0 +1,86 @@
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package com.ryanheise.just_audio;
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import android.media.audiofx.Visualizer;
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import io.flutter.plugin.common.BinaryMessenger;
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public class BetterVisualizer {
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private Visualizer visualizer;
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private final BetterEventChannel waveformEventChannel;
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private final BetterEventChannel fftEventChannel;
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private Integer audioSessionId;
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private int captureRate;
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private int captureSize;
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private boolean enableWaveform;
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private boolean enableFft;
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private boolean pendingStartRequest;
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private boolean hasPermission;
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public BetterVisualizer(final BinaryMessenger messenger, String id) {
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waveformEventChannel = new BetterEventChannel(messenger, "com.ryanheise.just_audio.waveform_events." + id);
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fftEventChannel = new BetterEventChannel(messenger, "com.ryanheise.just_audio.fft_events." + id);
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}
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public int getSamplingRate() {
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return visualizer.getSamplingRate();
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}
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public void setHasPermission(boolean hasPermission) {
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this.hasPermission = hasPermission;
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}
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public void onAudioSessionId(Integer audioSessionId) {
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this.audioSessionId = audioSessionId;
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if (audioSessionId != null && hasPermission && pendingStartRequest) {
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start(captureRate, captureSize, enableWaveform, enableFft);
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}
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}
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public void start(Integer captureRate, Integer captureSize, final boolean enableWavefrom, final boolean enableFft) {
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if (visualizer != null) return;
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if (captureRate == null) {
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captureRate = Visualizer.getMaxCaptureRate() / 2;
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} else if (captureRate > Visualizer.getMaxCaptureRate()) {
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captureRate = Visualizer.getMaxCaptureRate();
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}
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if (captureSize == null) {
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captureSize = Visualizer.getCaptureSizeRange()[1];
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} else if (captureSize > Visualizer.getCaptureSizeRange()[1]) {
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captureSize = Visualizer.getCaptureSizeRange()[1];
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} else if (captureSize < Visualizer.getCaptureSizeRange()[0]) {
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captureSize = Visualizer.getCaptureSizeRange()[0];
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}
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this.enableWaveform = enableWaveform;
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this.enableFft = enableFft;
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this.captureRate = captureRate;
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if (audioSessionId == null || !hasPermission) {
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pendingStartRequest = true;
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return;
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}
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pendingStartRequest = false;
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visualizer = new Visualizer(audioSessionId);
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visualizer.setCaptureSize(captureSize);
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visualizer.setDataCaptureListener(new Visualizer.OnDataCaptureListener() {
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public void onWaveFormDataCapture(Visualizer visualizer, byte[] waveform, int samplingRate) {
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waveformEventChannel.success(waveform);
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}
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public void onFftDataCapture(Visualizer visualizer, byte[] fft, int samplingRate) {
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fftEventChannel.success(fft);
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}
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}, captureRate, enableWavefrom, enableFft);
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visualizer.setEnabled(true);
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}
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public void stop() {
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if (visualizer == null) return;
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visualizer.setDataCaptureListener(null, captureRate, enableWaveform, enableFft);
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visualizer.setEnabled(false);
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visualizer.release();
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visualizer = null;
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}
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public void dispose() {
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stop();
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waveformEventChannel.endOfStream();
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fftEventChannel.endOfStream();
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}
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}
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@ -3,6 +3,8 @@ package com.ryanheise.just_audio;
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import android.content.Context;
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import androidx.annotation.NonNull;
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import io.flutter.embedding.engine.plugins.FlutterPlugin;
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import io.flutter.embedding.engine.plugins.activity.ActivityAware;
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import io.flutter.embedding.engine.plugins.activity.ActivityPluginBinding;
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import io.flutter.plugin.common.BinaryMessenger;
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import io.flutter.plugin.common.MethodChannel;
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import io.flutter.plugin.common.PluginRegistry.Registrar;
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@ -10,7 +12,7 @@ import io.flutter.plugin.common.PluginRegistry.Registrar;
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/**
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* JustAudioPlugin
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*/
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public class JustAudioPlugin implements FlutterPlugin {
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public class JustAudioPlugin implements FlutterPlugin, ActivityAware {
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private MethodChannel channel;
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private MainMethodCallHandler methodCallHandler;
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@ -41,6 +43,25 @@ public class JustAudioPlugin implements FlutterPlugin {
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stopListening();
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}
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@Override
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public void onAttachedToActivity(ActivityPluginBinding binding) {
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methodCallHandler.setActivityPluginBinding(binding);
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}
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@Override
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public void onDetachedFromActivityForConfigChanges() {
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}
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@Override
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public void onReattachedToActivityForConfigChanges(ActivityPluginBinding binding) {
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methodCallHandler.setActivityPluginBinding(binding);
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}
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@Override
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public void onDetachedFromActivity() {
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methodCallHandler.setActivityPluginBinding(null);
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}
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private void startListening(Context applicationContext, BinaryMessenger messenger) {
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methodCallHandler = new MainMethodCallHandler(applicationContext, messenger);
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@ -1,7 +1,9 @@
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package com.ryanheise.just_audio;
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import android.app.Activity;
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import android.content.Context;
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import androidx.annotation.NonNull;
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import io.flutter.embedding.engine.plugins.activity.ActivityPluginBinding;
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import io.flutter.plugin.common.BinaryMessenger;
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import io.flutter.plugin.common.MethodCall;
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import io.flutter.plugin.common.MethodChannel.MethodCallHandler;
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@ -15,6 +17,7 @@ public class MainMethodCallHandler implements MethodCallHandler {
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private final Context applicationContext;
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private final BinaryMessenger messenger;
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private ActivityPluginBinding activityPluginBinding;
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private final Map<String, AudioPlayer> players = new HashMap<>();
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@ -24,6 +27,13 @@ public class MainMethodCallHandler implements MethodCallHandler {
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this.messenger = messenger;
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}
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void setActivityPluginBinding(ActivityPluginBinding activityPluginBinding) {
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this.activityPluginBinding = activityPluginBinding;
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for (AudioPlayer player : players.values()) {
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player.setActivityPluginBinding(activityPluginBinding);
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}
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}
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@Override
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public void onMethodCall(MethodCall call, @NonNull Result result) {
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final Map<?, ?> request = call.arguments();
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@ -34,7 +44,11 @@ public class MainMethodCallHandler implements MethodCallHandler {
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result.error("Platform player " + id + " already exists", null, null);
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break;
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}
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players.put(id, new AudioPlayer(applicationContext, messenger, id));
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final AudioPlayer player = new AudioPlayer(applicationContext, messenger, id);
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players.put(id, player);
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if (activityPluginBinding != null) {
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player.setActivityPluginBinding(activityPluginBinding);
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}
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result.success(null);
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break;
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}
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@ -1,6 +1,8 @@
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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package="com.ryanheise.just_audio_example">
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<uses-permission android:name="android.permission.RECORD_AUDIO"/>
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<!-- io.flutter.app.FlutterApplication is an android.app.Application that
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calls FlutterMain.startInitialization(this); in its onCreate method.
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In most cases you can leave this as-is, but you if you want to provide
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@ -124,16 +124,16 @@ packages:
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just_audio_platform_interface:
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dependency: transitive
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description:
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name: just_audio_platform_interface
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url: "https://pub.dartlang.org"
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source: hosted
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path: "../../just_audio_platform_interface"
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relative: true
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source: path
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version: "2.0.0"
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just_audio_web:
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dependency: transitive
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description:
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name: just_audio_web
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url: "https://pub.dartlang.org"
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source: hosted
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path: "../../just_audio_web"
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relative: true
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source: path
|
||||
version: "0.2.1"
|
||||
matcher:
|
||||
dependency: transitive
|
||||
|
|
|
|||
|
|
@ -2,6 +2,7 @@ import 'dart:async';
|
|||
import 'dart:convert';
|
||||
import 'dart:io';
|
||||
import 'dart:math';
|
||||
import 'dart:typed_data';
|
||||
|
||||
import 'package:audio_session/audio_session.dart';
|
||||
import 'package:crypto/crypto.dart';
|
||||
|
|
@ -59,15 +60,24 @@ class AudioPlayer {
|
|||
/// subscribe to the new platform's events.
|
||||
StreamSubscription _playbackEventSubscription;
|
||||
|
||||
/// The subscription to the event channel for waveform data.
|
||||
StreamSubscription _visualizerWaveformSubscription;
|
||||
|
||||
/// The subscription to the event channel for FFT data.
|
||||
StreamSubscription _visualizerFftSubscription;
|
||||
|
||||
final String _id;
|
||||
_ProxyHttpServer _proxy;
|
||||
AudioSource _audioSource;
|
||||
Map<String, AudioSource> _audioSources = {};
|
||||
bool _disposed = false;
|
||||
_InitialSeekValues _initialSeekValues;
|
||||
StartVisualizerRequest _startVisualizerRequest;
|
||||
|
||||
PlaybackEvent _playbackEvent;
|
||||
final _playbackEventSubject = BehaviorSubject<PlaybackEvent>(sync: true);
|
||||
final _visualizerWaveformSubject = BehaviorSubject<Uint8List>();
|
||||
final _visualizerFftSubject = BehaviorSubject<Uint8List>();
|
||||
Future<Duration> _durationFuture;
|
||||
final _durationSubject = BehaviorSubject<Duration>();
|
||||
final _processingStateSubject = BehaviorSubject<ProcessingState>();
|
||||
|
|
@ -227,6 +237,13 @@ class AudioPlayer {
|
|||
/// A stream of [PlaybackEvent]s.
|
||||
Stream<PlaybackEvent> get playbackEventStream => _playbackEventSubject.stream;
|
||||
|
||||
/// A stream of visualizer waveform data in unsigned 8 bit PCM..
|
||||
Stream<Uint8List> get visualizerWaveformStream =>
|
||||
_visualizerWaveformSubject.stream;
|
||||
|
||||
/// A stream of visualizer FFT data.
|
||||
Stream<Uint8List> get visualizerFftStream => _visualizerFftSubject.stream;
|
||||
|
||||
/// The duration of the current audio or null if unknown.
|
||||
Duration get duration => _playbackEvent.duration;
|
||||
|
||||
|
|
@ -894,11 +911,42 @@ class AudioPlayer {
|
|||
usage: audioAttributes.usage.value));
|
||||
}
|
||||
|
||||
/// Start the visualizer by capturing [captureSize] samples of audio at
|
||||
/// [captureRate] millihertz and return the sampling rate of the audio. If
|
||||
/// [enableWaveform] is `true`, the captured samples will be broadcast via
|
||||
/// [visualizerWaveformStream]. If [enableFft] is `true`, the FFT data for
|
||||
/// each capture will be broadcast via [visualizerFftStream]. You should call
|
||||
/// [stopVisualizer] to stop capturing audio data.
|
||||
Future<int> startVisualizer({
|
||||
bool enableWaveform = true,
|
||||
bool enableFft = true,
|
||||
int captureRate,
|
||||
int captureSize,
|
||||
}) async {
|
||||
return (await (await _platform).startVisualizer(_startVisualizerRequest =
|
||||
StartVisualizerRequest(
|
||||
enableWaveform: enableWaveform,
|
||||
enableFft: enableFft,
|
||||
captureRate: captureRate,
|
||||
captureSize: captureSize)))
|
||||
?.samplingRate;
|
||||
}
|
||||
|
||||
/// Stop capturing audio data for the visualizer.
|
||||
Future<void> stopVisualizer() async {
|
||||
_startVisualizerRequest = null;
|
||||
(await _platform).stopVisualizer(StopVisualizerRequest());
|
||||
}
|
||||
|
||||
/// Release all resources associated with this player. You must invoke this
|
||||
/// after you are done with the player.
|
||||
Future<void> dispose() async {
|
||||
if (_disposed) return;
|
||||
_disposed = true;
|
||||
await _visualizerWaveformSubscription?.cancel();
|
||||
await _visualizerFftSubscription?.cancel();
|
||||
await _visualizerWaveformSubject.close();
|
||||
await _visualizerFftSubject.close();
|
||||
if (_nativePlatform != null) {
|
||||
await _disposePlatform(await _nativePlatform);
|
||||
_nativePlatform = null;
|
||||
|
|
@ -940,6 +988,8 @@ class AudioPlayer {
|
|||
final durationCompleter = Completer<Duration>();
|
||||
_platform = Future<AudioPlayerPlatform>(() async {
|
||||
_playbackEventSubscription?.cancel();
|
||||
_visualizerWaveformSubscription?.cancel();
|
||||
_visualizerFftSubscription?.cancel();
|
||||
if (oldPlatformFuture != null) {
|
||||
final oldPlatform = await oldPlatformFuture;
|
||||
if (oldPlatform != _idlePlatform) {
|
||||
|
|
@ -953,6 +1003,10 @@ class AudioPlayer {
|
|||
? await (_nativePlatform =
|
||||
JustAudioPlatform.instance.init(InitRequest(id: _id)))
|
||||
: _idlePlatform;
|
||||
_visualizerWaveformSubscription = platform.visualizerWaveformStream
|
||||
.listen(_visualizerWaveformSubject.add);
|
||||
_visualizerFftSubscription =
|
||||
platform.visualizerFftStream.listen(_visualizerFftSubject.add);
|
||||
_playbackEventSubscription =
|
||||
platform.playbackEventMessageStream.listen((message) {
|
||||
var duration = message.duration;
|
||||
|
|
@ -1005,6 +1059,9 @@ class AudioPlayer {
|
|||
SetAutomaticallyWaitsToMinimizeStallingRequest(
|
||||
enabled: automaticallyWaitsToMinimizeStalling));
|
||||
}
|
||||
if (_startVisualizerRequest != null) {
|
||||
await platform.startVisualizer(_startVisualizerRequest);
|
||||
}
|
||||
await platform.setVolume(SetVolumeRequest(volume: volume));
|
||||
await platform.setSpeed(SetSpeedRequest(speed: speed));
|
||||
await platform.setLoopMode(SetLoopModeRequest(
|
||||
|
|
@ -2273,6 +2330,8 @@ enum LoopMode { off, one, all }
|
|||
/// state and the native platform is deallocated.
|
||||
class _IdleAudioPlayer extends AudioPlayerPlatform {
|
||||
final _eventSubject = BehaviorSubject<PlaybackEventMessage>();
|
||||
final _visualizerWaveformSubject = BehaviorSubject<Uint8List>();
|
||||
final _visualizerFftSubject = BehaviorSubject<Uint8List>();
|
||||
Duration _position;
|
||||
int _index;
|
||||
List<IndexedAudioSource> _sequence;
|
||||
|
|
@ -2310,6 +2369,13 @@ class _IdleAudioPlayer extends AudioPlayerPlatform {
|
|||
Stream<PlaybackEventMessage> get playbackEventMessageStream =>
|
||||
_eventSubject.stream;
|
||||
|
||||
@override
|
||||
Stream<Uint8List> get visualizerWaveformStream =>
|
||||
_visualizerWaveformSubject.stream;
|
||||
|
||||
@override
|
||||
Stream<Uint8List> get visualizerFftStream => _visualizerFftSubject.stream;
|
||||
|
||||
@override
|
||||
Future<LoadResponse> load(LoadRequest request) async {
|
||||
_index = request.initialIndex ?? 0;
|
||||
|
|
@ -2379,6 +2445,9 @@ class _IdleAudioPlayer extends AudioPlayerPlatform {
|
|||
|
||||
@override
|
||||
Future<DisposeResponse> dispose(DisposeRequest request) async {
|
||||
await _eventSubject.close();
|
||||
await _visualizerWaveformSubject.close();
|
||||
await _visualizerFftSubject.close();
|
||||
return DisposeResponse();
|
||||
}
|
||||
|
||||
|
|
@ -2399,6 +2468,18 @@ class _IdleAudioPlayer extends AudioPlayerPlatform {
|
|||
ConcatenatingMoveRequest request) async {
|
||||
return ConcatenatingMoveResponse();
|
||||
}
|
||||
|
||||
@override
|
||||
Future<StartVisualizerResponse> startVisualizer(
|
||||
StartVisualizerRequest request) async {
|
||||
return StartVisualizerResponse();
|
||||
}
|
||||
|
||||
@override
|
||||
Future<StopVisualizerResponse> stopVisualizer(
|
||||
StopVisualizerRequest request) async {
|
||||
return StopVisualizerResponse();
|
||||
}
|
||||
}
|
||||
|
||||
/// Holds the initial requested position and index for a newly loaded audio
|
||||
|
|
|
|||
|
|
@ -194,16 +194,16 @@ packages:
|
|||
just_audio_platform_interface:
|
||||
dependency: "direct main"
|
||||
description:
|
||||
name: just_audio_platform_interface
|
||||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
path: "../just_audio_platform_interface"
|
||||
relative: true
|
||||
source: path
|
||||
version: "2.0.0"
|
||||
just_audio_web:
|
||||
dependency: "direct main"
|
||||
description:
|
||||
name: just_audio_web
|
||||
url: "https://pub.dartlang.org"
|
||||
source: hosted
|
||||
path: "../just_audio_web"
|
||||
relative: true
|
||||
source: path
|
||||
version: "0.2.1"
|
||||
logging:
|
||||
dependency: transitive
|
||||
|
|
|
|||
|
|
@ -8,8 +8,12 @@ environment:
|
|||
flutter: ">=1.12.13+hotfix.5"
|
||||
|
||||
dependencies:
|
||||
just_audio_platform_interface: ^2.0.0
|
||||
just_audio_web: ^0.2.1
|
||||
# just_audio_platform_interface: ^2.0.0
|
||||
just_audio_platform_interface:
|
||||
path: ../just_audio_platform_interface
|
||||
# just_audio_web: ^0.2.1
|
||||
just_audio_web:
|
||||
path: ../just_audio_web
|
||||
audio_session: ^0.0.10
|
||||
rxdart: ">= 0.24.1 < 0.26.0"
|
||||
path: ^1.6.4
|
||||
|
|
|
|||
|
|
@ -1,4 +1,5 @@
|
|||
import 'dart:async';
|
||||
import 'dart:typed_data';
|
||||
|
||||
import 'package:flutter/foundation.dart';
|
||||
import 'package:meta/meta.dart' show required;
|
||||
|
|
@ -68,6 +69,17 @@ abstract class AudioPlayerPlatform {
|
|||
'playbackEventMessageStream has not been implemented.');
|
||||
}
|
||||
|
||||
/// A stream of visualizer waveform data.
|
||||
Stream<Uint8List> get visualizerWaveformStream {
|
||||
throw UnimplementedError(
|
||||
'visualizerWaveformStream has not been implemented.');
|
||||
}
|
||||
|
||||
/// A stream of visualizer fft data.
|
||||
Stream<Uint8List> get visualizerFftStream {
|
||||
throw UnimplementedError('visualizerFftStream has not been implemented.');
|
||||
}
|
||||
|
||||
/// Loads an audio source.
|
||||
Future<LoadResponse> load(LoadRequest request) {
|
||||
throw UnimplementedError("load() has not been implemented.");
|
||||
|
|
@ -157,6 +169,17 @@ abstract class AudioPlayerPlatform {
|
|||
ConcatenatingMoveRequest request) {
|
||||
throw UnimplementedError("concatenatingMove() has not been implemented.");
|
||||
}
|
||||
|
||||
/// Starts the visualizer.
|
||||
Future<StartVisualizerResponse> startVisualizer(
|
||||
StartVisualizerRequest request) {
|
||||
throw UnimplementedError("startVisualizer() has not been implemented.");
|
||||
}
|
||||
|
||||
/// Stops the visualizer.
|
||||
Future<StopVisualizerResponse> stopVisualizer(StopVisualizerRequest request) {
|
||||
throw UnimplementedError("stopVisualizer() has not been implemented.");
|
||||
}
|
||||
}
|
||||
|
||||
/// A playback event communicated from the platform implementation to the
|
||||
|
|
@ -624,6 +647,53 @@ class ConcatenatingMoveResponse {
|
|||
ConcatenatingMoveResponse();
|
||||
}
|
||||
|
||||
/// Information communicated to the platform implementation when starting the
|
||||
/// visualizer.
|
||||
class StartVisualizerRequest {
|
||||
final bool enableWaveform;
|
||||
final bool enableFft;
|
||||
final int captureRate;
|
||||
final int captureSize;
|
||||
|
||||
StartVisualizerRequest({
|
||||
@required this.enableWaveform,
|
||||
@required this.enableFft,
|
||||
@required this.captureRate,
|
||||
@required this.captureSize,
|
||||
});
|
||||
|
||||
Map<dynamic, dynamic> toMap() => {
|
||||
'enableWaveform': enableWaveform,
|
||||
'enableFft': enableFft,
|
||||
'captureRate': captureRate,
|
||||
'captureSize': captureSize,
|
||||
};
|
||||
}
|
||||
|
||||
/// Information returned by the platform implementation after starting the
|
||||
/// visualizer.
|
||||
class StartVisualizerResponse {
|
||||
final int samplingRate;
|
||||
|
||||
StartVisualizerResponse({@required this.samplingRate});
|
||||
|
||||
static StartVisualizerResponse fromMap(Map<dynamic, dynamic> map) =>
|
||||
StartVisualizerResponse(samplingRate: map['samplingRate']);
|
||||
}
|
||||
|
||||
/// Information communicated to the platform implementation when stopping the
|
||||
/// visualizer.
|
||||
class StopVisualizerRequest {
|
||||
Map<dynamic, dynamic> toMap() => {};
|
||||
}
|
||||
|
||||
/// Information returned by the platform implementation after stopping the
|
||||
/// visualizer.
|
||||
class StopVisualizerResponse {
|
||||
static StopVisualizerResponse fromMap(Map<dynamic, dynamic> map) =>
|
||||
StopVisualizerResponse();
|
||||
}
|
||||
|
||||
/// Information about an audio source to be communicated with the platform
|
||||
/// implementation.
|
||||
abstract class AudioSourceMessage {
|
||||
|
|
|
|||
|
|
@ -1,4 +1,5 @@
|
|||
import 'dart:async';
|
||||
import 'dart:typed_data';
|
||||
|
||||
import 'package:flutter/services.dart';
|
||||
|
||||
|
|
@ -36,6 +37,18 @@ class MethodChannelAudioPlayer extends AudioPlayerPlatform {
|
|||
.receiveBroadcastStream()
|
||||
.map((map) => PlaybackEventMessage.fromMap(map));
|
||||
|
||||
@override
|
||||
Stream<Uint8List> get visualizerWaveformStream =>
|
||||
EventChannel('com.ryanheise.just_audio.waveform_events.$id')
|
||||
.receiveBroadcastStream()
|
||||
.cast<Uint8List>();
|
||||
|
||||
@override
|
||||
Stream<Uint8List> get visualizerFftStream =>
|
||||
EventChannel('com.ryanheise.just_audio.fft_events.$id')
|
||||
.receiveBroadcastStream()
|
||||
.cast<Uint8List>();
|
||||
|
||||
@override
|
||||
Future<LoadResponse> load(LoadRequest request) async {
|
||||
return LoadResponse.fromMap(
|
||||
|
|
@ -134,4 +147,18 @@ class MethodChannelAudioPlayer extends AudioPlayerPlatform {
|
|||
return ConcatenatingMoveResponse.fromMap(
|
||||
await _channel.invokeMethod('concatenatingMove', request?.toMap()));
|
||||
}
|
||||
|
||||
@override
|
||||
Future<StartVisualizerResponse> startVisualizer(
|
||||
StartVisualizerRequest request) async {
|
||||
return StartVisualizerResponse.fromMap(
|
||||
await _channel.invokeMethod('startVisualizer', request?.toMap()));
|
||||
}
|
||||
|
||||
@override
|
||||
Future<StopVisualizerResponse> stopVisualizer(
|
||||
StopVisualizerRequest request) async {
|
||||
return StopVisualizerResponse.fromMap(
|
||||
await _channel.invokeMethod('stopVisualizer', request?.toMap()));
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -11,7 +11,9 @@ flutter:
|
|||
fileName: just_audio_web.dart
|
||||
|
||||
dependencies:
|
||||
just_audio_platform_interface: ^2.0.0
|
||||
# just_audio_platform_interface: ^2.0.0
|
||||
just_audio_platform_interface:
|
||||
path: ../just_audio_platform_interface
|
||||
flutter:
|
||||
sdk: flutter
|
||||
flutter_web_plugins:
|
||||
|
|
|
|||
Loading…
Reference in New Issue