From 6ead14880bea2471add1fcea1f8fa026d06d7a61 Mon Sep 17 00:00:00 2001
From: tonihei <tonihei@google.com>
Date: Fri, 10 May 2019 17:13:36 +0100
Subject: [PATCH] Add setCodecOperatingRate workaround for 48KHz audio on ZTE
 Axon7 mini.

Issue:#5821
PiperOrigin-RevId: 247621164
---
 RELEASENOTES.md                                     |  2 ++
 .../exoplayer2/audio/MediaCodecAudioRenderer.java   | 13 ++++++++++++-
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index 4f05b0a78d..4ee6c64444 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -5,6 +5,8 @@
 * Fix NPE when using HLS chunkless preparation
   ([#5868](https://github.com/google/ExoPlayer/issues/5868)).
 * Offline: Add option to remove all downloads.
+* Add a workaround for a decoder failure on ZTE Axon7 mini devices when playing
+  48kHz audio ([#5821](https://github.com/google/ExoPlayer/issues/5821)).
 
 ### 2.10.0 ###
 
diff --git a/library/core/src/main/java/com/google/android/exoplayer2/audio/MediaCodecAudioRenderer.java b/library/core/src/main/java/com/google/android/exoplayer2/audio/MediaCodecAudioRenderer.java
index 07769e7d85..e75f7ffc7b 100644
--- a/library/core/src/main/java/com/google/android/exoplayer2/audio/MediaCodecAudioRenderer.java
+++ b/library/core/src/main/java/com/google/android/exoplayer2/audio/MediaCodecAudioRenderer.java
@@ -786,7 +786,7 @@ public class MediaCodecAudioRenderer extends MediaCodecRenderer implements Media
     // Set codec configuration values.
     if (Util.SDK_INT >= 23) {
       mediaFormat.setInteger(MediaFormat.KEY_PRIORITY, 0 /* realtime priority */);
-      if (codecOperatingRate != CODEC_OPERATING_RATE_UNSET) {
+      if (codecOperatingRate != CODEC_OPERATING_RATE_UNSET && !deviceDoesntSupportOperatingRate()) {
         mediaFormat.setFloat(MediaFormat.KEY_OPERATING_RATE, codecOperatingRate);
       }
     }
@@ -809,6 +809,17 @@ public class MediaCodecAudioRenderer extends MediaCodecRenderer implements Media
     }
   }
 
+  /**
+   * Returns whether the device's decoders are known to not support setting the codec operating
+   * rate.
+   *
+   * <p>See <a href="https://github.com/google/ExoPlayer/issues/5821">GitHub issue #5821</a>.
+   */
+  private static boolean deviceDoesntSupportOperatingRate() {
+    return Util.SDK_INT == 23
+        && ("ZTE B2017G".equals(Util.MODEL) || "AXON 7 mini".equals(Util.MODEL));
+  }
+
   /**
    * Returns whether the decoder is known to output six audio channels when provided with input with
    * fewer than six channels.