diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /third_party/libwebrtc/api/audio/test/audio_frame_unittest.cc | |
parent | Initial commit. (diff) | |
download | thunderbird-upstream.tar.xz thunderbird-upstream.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | third_party/libwebrtc/api/audio/test/audio_frame_unittest.cc | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/third_party/libwebrtc/api/audio/test/audio_frame_unittest.cc b/third_party/libwebrtc/api/audio/test/audio_frame_unittest.cc new file mode 100644 index 0000000000..dbf45ceabc --- /dev/null +++ b/third_party/libwebrtc/api/audio/test/audio_frame_unittest.cc @@ -0,0 +1,136 @@ +/* + * Copyright 2018 The WebRTC Project Authors. All rights reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#include "api/audio/audio_frame.h" + +#include <stdint.h> +#include <string.h> // memcmp + +#include "test/gtest.h" + +namespace webrtc { + +namespace { + +bool AllSamplesAre(int16_t sample, const AudioFrame& frame) { + const int16_t* frame_data = frame.data(); + for (size_t i = 0; i < frame.max_16bit_samples(); i++) { + if (frame_data[i] != sample) { + return false; + } + } + return true; +} + +constexpr uint32_t kTimestamp = 27; +constexpr int kSampleRateHz = 16000; +constexpr size_t kNumChannelsMono = 1; +constexpr size_t kNumChannelsStereo = 2; +constexpr size_t kNumChannels5_1 = 6; +constexpr size_t kSamplesPerChannel = kSampleRateHz / 100; + +} // namespace + +TEST(AudioFrameTest, FrameStartsMuted) { + AudioFrame frame; + EXPECT_TRUE(frame.muted()); + EXPECT_TRUE(AllSamplesAre(0, frame)); +} + +TEST(AudioFrameTest, UnmutedFrameIsInitiallyZeroed) { + AudioFrame frame; + frame.mutable_data(); + EXPECT_FALSE(frame.muted()); + EXPECT_TRUE(AllSamplesAre(0, frame)); +} + +TEST(AudioFrameTest, MutedFrameBufferIsZeroed) { + AudioFrame frame; + int16_t* frame_data = frame.mutable_data(); + for (size_t i = 0; i < frame.max_16bit_samples(); i++) { + frame_data[i] = 17; + } + ASSERT_TRUE(AllSamplesAre(17, frame)); + frame.Mute(); + EXPECT_TRUE(frame.muted()); + EXPECT_TRUE(AllSamplesAre(0, frame)); +} + +TEST(AudioFrameTest, UpdateFrameMono) { + AudioFrame frame; + int16_t samples[kNumChannelsMono * kSamplesPerChannel] = {17}; + frame.UpdateFrame(kTimestamp, samples, kSamplesPerChannel, kSampleRateHz, + AudioFrame::kPLC, AudioFrame::kVadActive, kNumChannelsMono); + + EXPECT_EQ(kTimestamp, frame.timestamp_); + EXPECT_EQ(kSamplesPerChannel, frame.samples_per_channel()); + EXPECT_EQ(kSampleRateHz, frame.sample_rate_hz()); + EXPECT_EQ(AudioFrame::kPLC, frame.speech_type_); + EXPECT_EQ(AudioFrame::kVadActive, frame.vad_activity_); + EXPECT_EQ(kNumChannelsMono, frame.num_channels()); + EXPECT_EQ(CHANNEL_LAYOUT_MONO, frame.channel_layout()); + + EXPECT_FALSE(frame.muted()); + EXPECT_EQ(0, memcmp(samples, frame.data(), sizeof(samples))); + + frame.UpdateFrame(kTimestamp, nullptr /* data*/, kSamplesPerChannel, + kSampleRateHz, AudioFrame::kPLC, AudioFrame::kVadActive, + kNumChannelsMono); + EXPECT_TRUE(frame.muted()); + EXPECT_TRUE(AllSamplesAre(0, frame)); +} + +TEST(AudioFrameTest, UpdateFrameMultiChannel) { + AudioFrame frame; + frame.UpdateFrame(kTimestamp, nullptr /* data */, kSamplesPerChannel, + kSampleRateHz, AudioFrame::kPLC, AudioFrame::kVadActive, + kNumChannelsStereo); + EXPECT_EQ(kSamplesPerChannel, frame.samples_per_channel()); + EXPECT_EQ(kNumChannelsStereo, frame.num_channels()); + EXPECT_EQ(CHANNEL_LAYOUT_STEREO, frame.channel_layout()); + + frame.UpdateFrame(kTimestamp, nullptr /* data */, kSamplesPerChannel, + kSampleRateHz, AudioFrame::kPLC, AudioFrame::kVadActive, + kNumChannels5_1); + EXPECT_EQ(kSamplesPerChannel, frame.samples_per_channel()); + EXPECT_EQ(kNumChannels5_1, frame.num_channels()); + EXPECT_EQ(CHANNEL_LAYOUT_5_1, frame.channel_layout()); +} + +TEST(AudioFrameTest, CopyFrom) { + AudioFrame frame1; + AudioFrame frame2; + + int16_t samples[kNumChannelsMono * kSamplesPerChannel] = {17}; + frame2.UpdateFrame(kTimestamp, samples, kSamplesPerChannel, kSampleRateHz, + AudioFrame::kPLC, AudioFrame::kVadActive, + kNumChannelsMono); + frame1.CopyFrom(frame2); + + EXPECT_EQ(frame2.timestamp_, frame1.timestamp_); + EXPECT_EQ(frame2.samples_per_channel_, frame1.samples_per_channel_); + EXPECT_EQ(frame2.sample_rate_hz_, frame1.sample_rate_hz_); + EXPECT_EQ(frame2.speech_type_, frame1.speech_type_); + EXPECT_EQ(frame2.vad_activity_, frame1.vad_activity_); + EXPECT_EQ(frame2.num_channels_, frame1.num_channels_); + + EXPECT_EQ(frame2.muted(), frame1.muted()); + EXPECT_EQ(0, memcmp(frame2.data(), frame1.data(), sizeof(samples))); + + frame2.UpdateFrame(kTimestamp, nullptr /* data */, kSamplesPerChannel, + kSampleRateHz, AudioFrame::kPLC, AudioFrame::kVadActive, + kNumChannelsMono); + frame1.CopyFrom(frame2); + + EXPECT_EQ(frame2.muted(), frame1.muted()); + EXPECT_EQ(0, memcmp(frame2.data(), frame1.data(), sizeof(samples))); +} + +} // namespace webrtc |