Mojo interfaces needed for switching audio rendering stream creation and closing from IPC to Mojo

media/mojo/common/media_type_converters_unittest.cc

Index: media/mojo/common/media_type_converters_unittest.cc
diff --git a/media/mojo/common/media_type_converters_unittest.cc b/media/mojo/common/media_type_converters_unittest.cc
index 0da9991c6799b22ce70f3b8b1a1f8c4f8aed6516..7f8fcdd824509d1d664884090534a74d5ee8b5e0 100644
--- a/media/mojo/common/media_type_converters_unittest.cc
+++ b/media/mojo/common/media_type_converters_unittest.cc
@@ -280,6 +280,50 @@ TEST(MediaTypeConvertersTest, ConvertDecoderBuffer_EncryptedBuffer) {
   EXPECT_TRUE(buffer->decrypt_config()->iv().empty());
 }
 
+TEST(MediaTypeConvertersTest, ConvertAudioParameters_Normal) {
+  AudioParameters params(AudioParameters::Format::AUDIO_PCM_LINEAR,
+                         CHANNEL_LAYOUT_NONE, 1000, 100, 900);
+  params.set_effects(2);
+  interfaces::AudioParametersPtr ptr(interfaces::AudioParameters::From(params));
+
+  EXPECT_EQ(static_cast<media::interfaces::AudioFormat>(
+                AudioParameters::Format::AUDIO_PCM_LINEAR),
+            ptr->format);
+  EXPECT_EQ(static_cast<media::interfaces::ChannelLayout>(CHANNEL_LAYOUT_NONE),
+            ptr->channel_layout);
+  EXPECT_EQ(0, ptr->channels);
+  EXPECT_EQ(1000, ptr->sample_rate);
+  EXPECT_EQ(100, ptr->bits_per_sample);
+  EXPECT_EQ(900, ptr->frames_per_buffer);
+  EXPECT_EQ(2, ptr->effects);
+
+  AudioParameters result(ptr.To<AudioParameters>());
+  EXPECT_TRUE(result.Equals(params));
+}
+
+TEST(MediaTypeConvertersTest, ConvertAudioParameters_Discrete) {
+  AudioParameters params(AudioParameters::Format::AUDIO_PCM_LOW_LATENCY,
+                         CHANNEL_LAYOUT_DISCRETE, 4000, 880, 300);
+  params.set_channels_for_discrete(900);
+  params.set_effects(200);
+  interfaces::AudioParametersPtr ptr(interfaces::AudioParameters::From(params));
+
+  EXPECT_EQ(static_cast<media::interfaces::AudioFormat>(
+                AudioParameters::Format::AUDIO_PCM_LOW_LATENCY),
+            ptr->format);
+  EXPECT_EQ(
+      static_cast<media::interfaces::ChannelLayout>(CHANNEL_LAYOUT_DISCRETE),
+      ptr->channel_layout);
+  EXPECT_EQ(900, ptr->channels);
+  EXPECT_EQ(4000, ptr->sample_rate);
+  EXPECT_EQ(880, ptr->bits_per_sample);
+  EXPECT_EQ(300, ptr->frames_per_buffer);
+  EXPECT_EQ(200, ptr->effects);
+
+  AudioParameters result(ptr.To<AudioParameters>());
+  EXPECT_TRUE(result.Equals(params));
+}
+
 // TODO(tim): Check other properties.
 
 TEST(MediaTypeConvertersTest, ConvertAudioDecoderConfig_Normal) {