Check full format support in decoder for Transformer

For the case where a hardware decoder does not fully
support the requested format, a software decoder will
be preferred.

PiperOrigin-RevId: 717584768

libraries/exoplayer/src/main/java/androidx/media3/exoplayer/mediacodec/MediaCodecUtil.java

@@ -256,6 +256,26 @@ public final class MediaCodecUtil {
     return decoderInfos;
   }
 
+  /**
+   * Returns a copy of the provided decoder list sorted such that decoders with complete format
+   * support are listed first. The returned list is modifiable for convenience.
+   */
+  @CheckResult
+  public static List<MediaCodecInfo> getDecoderInfosSortedByFullFormatSupport(
+      List<MediaCodecInfo> decoderInfos, Format format) {
+    decoderInfos = new ArrayList<>(decoderInfos);
+    sortByScore(
+        decoderInfos,
+        decoderInfo -> {
+          try {
+            return decoderInfo.isFormatSupported(format) ? 1 : 0;
+          } catch (DecoderQueryException e) {
+            return -1;
+          }
+        });
+    return decoderInfos;
+  }
+
   /**
    * Returns a copy of the provided decoder list sorted such that software decoders are listed
    * first. Break ties by listing non-{@link MediaCodecInfo#vendor} decoders first, due to issues

libraries/transformer/src/androidTest/java/androidx/media3/transformer/AndroidTestUtil.java

@@ -1400,7 +1400,7 @@ public final class AndroidTestUtil {
   private static String findDecoderForFormat(Format format)
       throws MediaCodecUtil.DecoderQueryException {
     List<androidx.media3.exoplayer.mediacodec.MediaCodecInfo> decoderInfoList =
-        MediaCodecUtil.getDecoderInfosSortedByFormatSupport(
+        MediaCodecUtil.getDecoderInfosSortedByFullFormatSupport(
             MediaCodecUtil.getDecoderInfosSoftMatch(
                 MediaCodecSelector.DEFAULT,
                 format,

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

@@ -312,7 +312,7 @@ public final class DefaultDecoderFactory implements Codec.DecoderFactory {
     checkNotNull(format.sampleMimeType);
     try {
       decoderInfos =
-          MediaCodecUtil.getDecoderInfosSortedByFormatSupport(
+          MediaCodecUtil.getDecoderInfosSortedByFullFormatSupport(
               MediaCodecUtil.getDecoderInfosSoftMatch(
                   mediaCodecSelector,
                   format,