Use ffmpeg for opus decoding, no need to maintain our decoder.

media/base/audio_discard_helper_unittest.cc

Index: media/base/audio_discard_helper_unittest.cc
diff --git a/media/base/audio_discard_helper_unittest.cc b/media/base/audio_discard_helper_unittest.cc
index f836fa965bdadebc2f91049aff10482cc79e756d..e5855316f5e3a12f56b088134f9f75937d65d9ba 100644
--- a/media/base/audio_discard_helper_unittest.cc
+++ b/media/base/audio_discard_helper_unittest.cc
@@ -45,7 +45,7 @@ static float ExtractDecodedData(const scoped_refptr<AudioBuffer>& buffer,
 }
 
 TEST(AudioDiscardHelperTest, TimeDeltaToFrames) {
-  AudioDiscardHelper discard_helper(kSampleRate, 0);
+  AudioDiscardHelper discard_helper(kSampleRate, 0, false);
 
   EXPECT_EQ(0u, discard_helper.TimeDeltaToFrames(base::TimeDelta()));
   EXPECT_EQ(
@@ -69,7 +69,7 @@ TEST(AudioDiscardHelperTest, TimeDeltaToFrames) {
 }
 
 TEST(AudioDiscardHelperTest, BasicProcessBuffers) {
-  AudioDiscardHelper discard_helper(kSampleRate, 0);
+  AudioDiscardHelper discard_helper(kSampleRate, 0, false);
   ASSERT_FALSE(discard_helper.initialized());
 
   const base::TimeDelta kTimestamp = base::TimeDelta();
@@ -101,7 +101,7 @@ TEST(AudioDiscardHelperTest, BasicProcessBuffers) {
 }
 
 TEST(AudioDiscardHelperTest, NegativeTimestampClampsToZero) {
-  AudioDiscardHelper discard_helper(kSampleRate, 0);
+  AudioDiscardHelper discard_helper(kSampleRate, 0, false);
   ASSERT_FALSE(discard_helper.initialized());
 
   const base::TimeDelta kTimestamp = -base::TimeDelta::FromSeconds(1);
@@ -121,7 +121,7 @@ TEST(AudioDiscardHelperTest, NegativeTimestampClampsToZero) {
 }
 
 TEST(AudioDiscardHelperTest, ProcessBuffersWithInitialDiscard) {
-  AudioDiscardHelper discard_helper(kSampleRate, 0);
+  AudioDiscardHelper discard_helper(kSampleRate, 0, false);
   ASSERT_FALSE(discard_helper.initialized());
 
   const base::TimeDelta kTimestamp = base::TimeDelta();
@@ -147,7 +147,7 @@ TEST(AudioDiscardHelperTest, ProcessBuffersWithInitialDiscard) {
 }
 
 TEST(AudioDiscardHelperTest, ProcessBuffersWithLargeInitialDiscard) {
-  AudioDiscardHelper discard_helper(kSampleRate, 0);
+  AudioDiscardHelper discard_helper(kSampleRate, 0, false);
   ASSERT_FALSE(discard_helper.initialized());
 
   const base::TimeDelta kTimestamp = base::TimeDelta();
@@ -180,7 +180,7 @@ TEST(AudioDiscardHelperTest, ProcessBuffersWithLargeInitialDiscard) {
 }
 
 TEST(AudioDiscardHelperTest, AllowNonMonotonicTimestamps) {
-  AudioDiscardHelper discard_helper(kSampleRate, 0);
+  AudioDiscardHelper discard_helper(kSampleRate, 0, false);
   ASSERT_FALSE(discard_helper.initialized());
 
   const base::TimeDelta kTimestamp = base::TimeDelta();
@@ -206,7 +206,7 @@ TEST(AudioDiscardHelperTest, AllowNonMonotonicTimestamps) {
 }
 
 TEST(AudioDiscardHelperTest, DiscardEndPadding) {
-  AudioDiscardHelper discard_helper(kSampleRate, 0);
+  AudioDiscardHelper discard_helper(kSampleRate, 0, false);
   ASSERT_FALSE(discard_helper.initialized());
 
   const base::TimeDelta kTimestamp = base::TimeDelta();
@@ -229,7 +229,7 @@ TEST(AudioDiscardHelperTest, DiscardEndPadding) {
 }
 
 TEST(AudioDiscardHelperTest, BadDiscardEndPadding) {
-  AudioDiscardHelper discard_helper(kSampleRate, 0);
+  AudioDiscardHelper discard_helper(kSampleRate, 0, false);
   ASSERT_FALSE(discard_helper.initialized());
 
   const base::TimeDelta kTimestamp = base::TimeDelta();
@@ -250,7 +250,7 @@ TEST(AudioDiscardHelperTest, BadDiscardEndPadding) {
 }
 
 TEST(AudioDiscardHelperTest, InitialDiscardAndDiscardEndPadding) {
-  AudioDiscardHelper discard_helper(kSampleRate, 0);
+  AudioDiscardHelper discard_helper(kSampleRate, 0, false);
   ASSERT_FALSE(discard_helper.initialized());
 
   const base::TimeDelta kTimestamp = base::TimeDelta();
@@ -279,7 +279,7 @@ TEST(AudioDiscardHelperTest, InitialDiscardAndDiscardEndPadding) {
 }
 
 TEST(AudioDiscardHelperTest, InitialDiscardAndDiscardPadding) {
-  AudioDiscardHelper discard_helper(kSampleRate, 0);
+  AudioDiscardHelper discard_helper(kSampleRate, 0, false);
   ASSERT_FALSE(discard_helper.initialized());
 
   const base::TimeDelta kTimestamp = base::TimeDelta();
@@ -308,7 +308,7 @@ TEST(AudioDiscardHelperTest, InitialDiscardAndDiscardPadding) {
 TEST(AudioDiscardHelperTest, InitialDiscardAndDiscardPaddingAndDecoderDelay) {
   // Use a decoder delay of 5ms.
   const int kDecoderDelay = kSampleRate / 100 / 2;
-  AudioDiscardHelper discard_helper(kSampleRate, kDecoderDelay);
+  AudioDiscardHelper discard_helper(kSampleRate, kDecoderDelay, false);
   ASSERT_FALSE(discard_helper.initialized());
   discard_helper.Reset(kDecoderDelay);
 
@@ -416,7 +416,7 @@ TEST(AudioDiscardHelperTest, InitialDiscardAndDiscardPaddingAndDecoderDelay) {
 }
 
 TEST(AudioDiscardHelperTest, DelayedDiscardInitialDiscardAndDiscardPadding) {
-  AudioDiscardHelper discard_helper(kSampleRate, 0);
+  AudioDiscardHelper discard_helper(kSampleRate, 0, true);
   ASSERT_FALSE(discard_helper.initialized());
 
   const base::TimeDelta kTimestamp = base::TimeDelta();
@@ -451,7 +451,7 @@ TEST(AudioDiscardHelperTest, DelayedDiscardInitialDiscardAndDiscardPadding) {
 }
 
 TEST(AudioDiscardHelperTest, CompleteDiscard) {
-  AudioDiscardHelper discard_helper(kSampleRate, 0);
+  AudioDiscardHelper discard_helper(kSampleRate, 0, false);
   ASSERT_FALSE(discard_helper.initialized());
 
   const base::TimeDelta kTimestamp = base::TimeDelta();
@@ -481,7 +481,7 @@ TEST(AudioDiscardHelperTest, CompleteDiscard) {
 }
 
 TEST(AudioDiscardHelperTest, CompleteDiscardWithDelayedDiscard) {
-  AudioDiscardHelper discard_helper(kSampleRate, 0);
+  AudioDiscardHelper discard_helper(kSampleRate, 0, true);
   ASSERT_FALSE(discard_helper.initialized());
 
   const base::TimeDelta kTimestamp = base::TimeDelta();
@@ -517,7 +517,7 @@ TEST(AudioDiscardHelperTest, CompleteDiscardWithDelayedDiscard) {
 TEST(AudioDiscardHelperTest, CompleteDiscardWithInitialDiscardDecoderDelay) {
   // Use a decoder delay of 5ms.
   const int kDecoderDelay = kSampleRate / 100 / 2;
-  AudioDiscardHelper discard_helper(kSampleRate, kDecoderDelay);
+  AudioDiscardHelper discard_helper(kSampleRate, kDecoderDelay, false);
   ASSERT_FALSE(discard_helper.initialized());
   discard_helper.Reset(kDecoderDelay);