Relax audio decoder capability checks

Issue: #5145
PiperOrigin-RevId: 226297129

RELEASENOTES.md

@@ -3,7 +3,7 @@
 ### dev-v2 (not yet released) ###
 ### dev-v2 (not yet released) ###
 
 
 * Use Transport Stream's random access indicator to minimize the need for
 * Use Transport Stream's random access indicator to minimize the need for
-  FLAG_ALLOW_NON_IDR_KEYFRAMES.
+  `FLAG_ALLOW_NON_IDR_KEYFRAMES`.
 * Support for playing spherical videos on Daydream.
 * Support for playing spherical videos on Daydream.
 * Improve decoder re-use between playbacks. TODO: Write and link a blog post
 * Improve decoder re-use between playbacks. TODO: Write and link a blog post
   here ([#2826](https://github.com/google/ExoPlayer/issues/2826)).
   here ([#2826](https://github.com/google/ExoPlayer/issues/2826)).
@@ -35,7 +35,11 @@
 * DownloadManager:
 * DownloadManager:
   * Create only one task for all DownloadActions for the same content.
   * Create only one task for all DownloadActions for the same content.
   * Rename TaskState to DownloadState.
   * Rename TaskState to DownloadState.
-* MP3:
+* Audio:
+  * Fix issue where some audio formats were incorrectly marked as being
+    unplayable due to underreported audio decoder capabilities
+    ([#5145](https://github.com/google/ExoPlayer/issues/5145)).
+  * MP3:
     * Use the true bitrate for constant-bitrate MP3 seeking.
     * Use the true bitrate for constant-bitrate MP3 seeking.
     * Fix issue where streams would play twice on some Samsung devices
     * Fix issue where streams would play twice on some Samsung devices
       ([#4519](https://github.com/google/ExoPlayer/issues/4519)).
       ([#4519](https://github.com/google/ExoPlayer/issues/4519)).

library/core/src/main/java/com/google/android/exoplayer2/mediacodec/MediaCodecInfo.java

@@ -248,9 +248,15 @@ public final class MediaCodecInfo {
       // If we don't know any better, we assume that the profile and level are supported.
       // If we don't know any better, we assume that the profile and level are supported.
       return true;
       return true;
     }
     }
+    int profile = codecProfileAndLevel.first;
+    int level = codecProfileAndLevel.second;
+    if (!isVideo && profile != CodecProfileLevel.AACObjectXHE) {
+      // Some devices/builds underreport audio capabilities, so assume support except for xHE-AAC
+      // which may not be widely supported. See https://github.com/google/ExoPlayer/issues/5145.
+      return true;
+    }
     for (CodecProfileLevel capabilities : getProfileLevels()) {
     for (CodecProfileLevel capabilities : getProfileLevels()) {
-      if (capabilities.profile == codecProfileAndLevel.first
-          && capabilities.level >= codecProfileAndLevel.second) {
+      if (capabilities.profile == profile && capabilities.level >= level) {
         return true;
         return true;
       }
       }
     }
     }