Add a constructor for AudioFormat that takes Format.

PiperOrigin-RevId: 541662208

libraries/common/src/main/java/androidx/media3/common/audio/AudioProcessor.java

@@ -59,6 +59,14 @@ public interface AudioProcessor {
     /** The number of bytes used to represent one audio frame. */
     public final int bytesPerFrame;
 
+    /**
+     * Creates an instance using the {@link Format#sampleRate}, {@link Format#channelCount} and
+     * {@link Format#pcmEncoding}.
+     */
+    public AudioFormat(Format format) {
+      this(format.sampleRate, format.channelCount, format.pcmEncoding);
+    }
+
     public AudioFormat(int sampleRate, int channelCount, @C.PcmEncoding int encoding) {
       this.sampleRate = sampleRate;
       this.channelCount = channelCount;

libraries/exoplayer/src/main/java/androidx/media3/exoplayer/audio/DefaultAudioSink.java

@@ -674,9 +674,7 @@ public final class DefaultAudioSink implements AudioSink {
       }
       channelMappingAudioProcessor.setChannelMap(outputChannels);
 
-      AudioProcessor.AudioFormat outputFormat =
-          new AudioProcessor.AudioFormat(
-              inputFormat.sampleRate, inputFormat.channelCount, inputFormat.pcmEncoding);
+      AudioProcessor.AudioFormat outputFormat = new AudioProcessor.AudioFormat(inputFormat);
       try {
         outputFormat = audioProcessingPipeline.configure(outputFormat);
       } catch (UnhandledAudioFormatException e) {

libraries/transformer/src/main/java/androidx/media3/transformer/AudioSamplePipeline.java

@@ -83,11 +83,7 @@ import org.checkerframework.dataflow.qual.Pure;
     encoderOutputBuffer = new DecoderInputBuffer(BUFFER_REPLACEMENT_MODE_DISABLED);
 
     checkArgument(firstPipelineInputFormat.pcmEncoding != Format.NO_VALUE);
-    AudioFormat inputAudioFormat =
-        new AudioFormat(
-            firstPipelineInputFormat.sampleRate,
-            firstPipelineInputFormat.channelCount,
-            firstPipelineInputFormat.pcmEncoding);
+    AudioFormat inputAudioFormat = new AudioFormat(firstPipelineInputFormat);
 
     silentAudioGenerator = new SilentAudioGenerator(inputAudioFormat);