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Diffstat (limited to 'media/base/audio_buffer_unittest.cc')
-rw-r--r--media/base/audio_buffer_unittest.cc116
1 files changed, 88 insertions, 28 deletions
diff --git a/media/base/audio_buffer_unittest.cc b/media/base/audio_buffer_unittest.cc
index 15f6416bcd..55a67c8e47 100644
--- a/media/base/audio_buffer_unittest.cc
+++ b/media/base/audio_buffer_unittest.cc
@@ -11,6 +11,8 @@
namespace media {
+const static int kSampleRate = 44100;
+
static void VerifyResult(float* channel_data,
int frames,
float start,
@@ -24,12 +26,18 @@ static void VerifyResult(float* channel_data,
}
TEST(AudioBufferTest, CopyFrom) {
- const int channels = 1;
+ const ChannelLayout channel_layout = CHANNEL_LAYOUT_MONO;
const int frames = 8;
const base::TimeDelta start_time;
const base::TimeDelta duration = base::TimeDelta::FromSeconds(frames);
- scoped_refptr<AudioBuffer> buffer = MakeAudioBuffer<uint8>(
- kSampleFormatU8, channels, 1, 1, frames, start_time, duration);
+ scoped_refptr<AudioBuffer> buffer = MakeAudioBuffer<uint8>(kSampleFormatU8,
+ channel_layout,
+ kSampleRate,
+ 1,
+ 1,
+ frames,
+ start_time,
+ duration);
EXPECT_EQ(frames, buffer->frame_count());
EXPECT_EQ(buffer->timestamp(), start_time);
EXPECT_EQ(buffer->duration().InSeconds(), frames);
@@ -49,22 +57,40 @@ TEST(AudioBufferTest, FrameSize) {
const base::TimeDelta kTimestampB = base::TimeDelta::FromMicroseconds(1234);
const uint8* const data[] = { kTestData };
- scoped_refptr<AudioBuffer> buffer = AudioBuffer::CopyFrom(
- kSampleFormatU8, 2, 16, data, kTimestampA, kTimestampB);
+ scoped_refptr<AudioBuffer> buffer =
+ AudioBuffer::CopyFrom(kSampleFormatU8,
+ CHANNEL_LAYOUT_STEREO,
+ kSampleRate,
+ 16,
+ data,
+ kTimestampA,
+ kTimestampB);
EXPECT_EQ(16, buffer->frame_count()); // 2 channels of 8-bit data
- buffer = AudioBuffer::CopyFrom(
- kSampleFormatF32, 4, 2, data, kTimestampA, kTimestampB);
+ buffer = AudioBuffer::CopyFrom(kSampleFormatF32,
+ CHANNEL_LAYOUT_4_0,
+ kSampleRate,
+ 2,
+ data,
+ kTimestampA,
+ kTimestampB);
EXPECT_EQ(2, buffer->frame_count()); // now 4 channels of 32-bit data
}
TEST(AudioBufferTest, ReadU8) {
- const int channels = 4;
+ const ChannelLayout channel_layout = CHANNEL_LAYOUT_4_0;
+ const int channels = ChannelLayoutToChannelCount(channel_layout);
const int frames = 4;
const base::TimeDelta start_time;
const base::TimeDelta duration = base::TimeDelta::FromSeconds(frames);
- scoped_refptr<AudioBuffer> buffer = MakeAudioBuffer<uint8>(
- kSampleFormatU8, channels, 128, 1, frames, start_time, duration);
+ scoped_refptr<AudioBuffer> buffer = MakeAudioBuffer<uint8>(kSampleFormatU8,
+ channel_layout,
+ kSampleRate,
+ 128,
+ 1,
+ frames,
+ start_time,
+ duration);
// Read all 4 frames from the buffer. Data is interleaved, so ch[0] should be
// 128, 132, 136, 140, other channels similar. However, values are converted
@@ -79,12 +105,19 @@ TEST(AudioBufferTest, ReadU8) {
}
TEST(AudioBufferTest, ReadS16) {
- const int channels = 2;
+ const ChannelLayout channel_layout = CHANNEL_LAYOUT_STEREO;
+ const int channels = ChannelLayoutToChannelCount(channel_layout);
const int frames = 10;
const base::TimeDelta start_time;
const base::TimeDelta duration = base::TimeDelta::FromSeconds(frames);
- scoped_refptr<AudioBuffer> buffer = MakeAudioBuffer<int16>(
- kSampleFormatS16, channels, 1, 1, frames, start_time, duration);
+ scoped_refptr<AudioBuffer> buffer = MakeAudioBuffer<int16>(kSampleFormatS16,
+ channel_layout,
+ kSampleRate,
+ 1,
+ 1,
+ frames,
+ start_time,
+ duration);
// Read 6 frames from the buffer. Data is interleaved, so ch[0] should be 1,
// 3, 5, 7, 9, 11, and ch[1] should be 2, 4, 6, 8, 10, 12. Data is converted
@@ -104,12 +137,19 @@ TEST(AudioBufferTest, ReadS16) {
}
TEST(AudioBufferTest, ReadS32) {
- const int channels = 2;
+ const ChannelLayout channel_layout = CHANNEL_LAYOUT_STEREO;
+ const int channels = ChannelLayoutToChannelCount(channel_layout);
const int frames = 6;
const base::TimeDelta start_time;
const base::TimeDelta duration = base::TimeDelta::FromSeconds(frames);
- scoped_refptr<AudioBuffer> buffer = MakeAudioBuffer<int32>(
- kSampleFormatS32, channels, 1, 1, frames, start_time, duration);
+ scoped_refptr<AudioBuffer> buffer = MakeAudioBuffer<int32>(kSampleFormatS32,
+ channel_layout,
+ kSampleRate,
+ 1,
+ 1,
+ frames,
+ start_time,
+ duration);
// Read 6 frames from the buffer. Data is interleaved, so ch[0] should be 1,
// 3, 5, 7, 9, 11, and ch[1] should be 2, 4, 6, 8, 10, 12. Data is converted
@@ -127,12 +167,19 @@ TEST(AudioBufferTest, ReadS32) {
}
TEST(AudioBufferTest, ReadF32) {
- const int channels = 2;
+ const ChannelLayout channel_layout = CHANNEL_LAYOUT_STEREO;
+ const int channels = ChannelLayoutToChannelCount(channel_layout);
const int frames = 20;
const base::TimeDelta start_time;
const base::TimeDelta duration = base::TimeDelta::FromSeconds(frames);
- scoped_refptr<AudioBuffer> buffer = MakeAudioBuffer<float>(
- kSampleFormatF32, channels, 1.0f, 1.0f, frames, start_time, duration);
+ scoped_refptr<AudioBuffer> buffer = MakeAudioBuffer<float>(kSampleFormatF32,
+ channel_layout,
+ kSampleRate,
+ 1.0f,
+ 1.0f,
+ frames,
+ start_time,
+ duration);
// Read first 10 frames from the buffer. F32 is interleaved, so ch[0] should
// be 1, 3, 5, ... and ch[1] should be 2, 4, 6, ...
@@ -149,12 +196,20 @@ TEST(AudioBufferTest, ReadF32) {
}
TEST(AudioBufferTest, ReadS16Planar) {
- const int channels = 2;
+ const ChannelLayout channel_layout = CHANNEL_LAYOUT_STEREO;
+ const int channels = ChannelLayoutToChannelCount(channel_layout);
const int frames = 20;
const base::TimeDelta start_time;
const base::TimeDelta duration = base::TimeDelta::FromSeconds(frames);
- scoped_refptr<AudioBuffer> buffer = MakeAudioBuffer<int16>(
- kSampleFormatPlanarS16, channels, 1, 1, frames, start_time, duration);
+ scoped_refptr<AudioBuffer> buffer =
+ MakeAudioBuffer<int16>(kSampleFormatPlanarS16,
+ channel_layout,
+ kSampleRate,
+ 1,
+ 1,
+ frames,
+ start_time,
+ duration);
// Read 6 frames from the buffer. Data is planar, so ch[0] should be 1, 2, 3,
// 4, 5, 6, and ch[1] should be 21, 22, 23, 24, 25, 26. Data is converted to
@@ -182,13 +237,15 @@ TEST(AudioBufferTest, ReadS16Planar) {
}
TEST(AudioBufferTest, ReadF32Planar) {
- const int channels = 4;
+ const ChannelLayout channel_layout = CHANNEL_LAYOUT_4_0;
+ const int channels = ChannelLayoutToChannelCount(channel_layout);
const int frames = 100;
const base::TimeDelta start_time;
const base::TimeDelta duration = base::TimeDelta::FromSeconds(frames);
scoped_refptr<AudioBuffer> buffer =
MakeAudioBuffer<float>(kSampleFormatPlanarF32,
- channels,
+ channel_layout,
+ kSampleRate,
1.0f,
1.0f,
frames,
@@ -215,12 +272,13 @@ TEST(AudioBufferTest, ReadF32Planar) {
}
TEST(AudioBufferTest, EmptyBuffer) {
- const int channels = 4;
+ const ChannelLayout channel_layout = CHANNEL_LAYOUT_4_0;
+ const int channels = ChannelLayoutToChannelCount(channel_layout);
const int frames = 100;
const base::TimeDelta start_time;
const base::TimeDelta duration = base::TimeDelta::FromSeconds(frames);
scoped_refptr<AudioBuffer> buffer = AudioBuffer::CreateEmptyBuffer(
- channels, frames, start_time, duration);
+ channel_layout, kSampleRate, frames, start_time, duration);
EXPECT_EQ(frames, buffer->frame_count());
EXPECT_EQ(start_time, buffer->timestamp());
EXPECT_EQ(frames, buffer->duration().InSeconds());
@@ -236,13 +294,15 @@ TEST(AudioBufferTest, EmptyBuffer) {
}
TEST(AudioBufferTest, Trim) {
- const int channels = 4;
+ const ChannelLayout channel_layout = CHANNEL_LAYOUT_4_0;
+ const int channels = ChannelLayoutToChannelCount(channel_layout);
const int frames = 100;
const base::TimeDelta start_time;
const base::TimeDelta duration = base::TimeDelta::FromSeconds(frames);
scoped_refptr<AudioBuffer> buffer =
MakeAudioBuffer<float>(kSampleFormatPlanarF32,
- channels,
+ channel_layout,
+ kSampleRate,
1.0f,
1.0f,
frames,
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-03 14:24:14 +0000