// Copyright (c) 2011 The Chromium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #include "base/basictypes.h" #include "base/string_number_conversions.h" #include "media/audio/audio_parameters.h" #include "testing/gtest/include/gtest/gtest.h" TEST(AudioParameters, Constructor_Default) { AudioParameters::Format expected_format = AudioParameters::AUDIO_PCM_LINEAR; int expected_bits = 0; int expected_channels = 0; ChannelLayout expected_channel_layout = CHANNEL_LAYOUT_NONE; int expected_rate = 0; int expected_samples = 0; AudioParameters params; EXPECT_EQ(expected_format, params.format); EXPECT_EQ(expected_bits, params.bits_per_sample); EXPECT_EQ(expected_channels, params.channels); EXPECT_EQ(expected_channel_layout, params.channel_layout); EXPECT_EQ(expected_rate, params.sample_rate); EXPECT_EQ(expected_samples, params.samples_per_packet); } TEST(AudioParameters, Constructor_ParameterValues) { AudioParameters::Format expected_format = AudioParameters::AUDIO_PCM_LOW_LATENCY; int expected_bits = 16; int expected_channels = 6; ChannelLayout expected_channel_layout = CHANNEL_LAYOUT_5POINT1; int expected_rate = 44100; int expected_samples = 880; AudioParameters params(expected_format, expected_channel_layout, expected_rate, expected_bits, expected_samples); EXPECT_EQ(expected_format, params.format); EXPECT_EQ(expected_bits, params.bits_per_sample); EXPECT_EQ(expected_channels, params.channels); EXPECT_EQ(expected_channel_layout, params.channel_layout); EXPECT_EQ(expected_rate, params.sample_rate); EXPECT_EQ(expected_samples, params.samples_per_packet); } TEST(AudioParameters, GetPacketSize) { EXPECT_EQ(100, AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_MONO, 1000, 8, 100) .GetPacketSize()); EXPECT_EQ(200, AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_MONO, 1000, 16, 100) .GetPacketSize()); EXPECT_EQ(200, AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_STEREO, 1000, 8, 100) .GetPacketSize()); EXPECT_EQ(200, AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_MONO, 1000, 8, 200) .GetPacketSize()); EXPECT_EQ(800, AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_STEREO, 1000, 16, 200) .GetPacketSize()); } TEST(AudioParameters, GetBytesPerSecond) { EXPECT_EQ(0, AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_NONE, 0, 0, 0) .GetBytesPerSecond()); EXPECT_EQ(0, AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_STEREO, 0, 0, 0) .GetBytesPerSecond()); EXPECT_EQ(0, AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_NONE, 100, 0, 0) .GetBytesPerSecond()); EXPECT_EQ(0, AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_NONE, 0, 8, 0) .GetBytesPerSecond()); EXPECT_EQ(200, AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_STEREO, 100, 8, 0) .GetBytesPerSecond()); } TEST(AudioParameters, Compare) { AudioParameters values[] = { AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_MONO, 1000, 8, 100), AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_MONO, 1000, 8, 200), AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_MONO, 1000, 16, 100), AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_MONO, 1000, 16, 200), AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_MONO, 2000, 8, 100), AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_MONO, 2000, 8, 200), AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_MONO, 2000, 16, 100), AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_MONO, 2000, 16, 200), AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_STEREO, 1000, 8, 100), AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_STEREO, 1000, 8, 200), AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_STEREO, 1000, 16, 100), AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_STEREO, 1000, 16, 200), AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_STEREO, 2000, 8, 100), AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_STEREO, 2000, 8, 200), AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_STEREO, 2000, 16, 100), AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_STEREO, 2000, 16, 200), AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY, CHANNEL_LAYOUT_MONO, 1000, 8, 100), AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY, CHANNEL_LAYOUT_MONO, 1000, 8, 200), AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY, CHANNEL_LAYOUT_MONO, 1000, 16, 100), AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY, CHANNEL_LAYOUT_MONO, 1000, 16, 200), AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY, CHANNEL_LAYOUT_MONO, 2000, 8, 100), AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY, CHANNEL_LAYOUT_MONO, 2000, 8, 200), AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY, CHANNEL_LAYOUT_MONO, 2000, 16, 100), AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY, CHANNEL_LAYOUT_MONO, 2000, 16, 200), AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY, CHANNEL_LAYOUT_STEREO, 1000, 8, 100), AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY, CHANNEL_LAYOUT_STEREO, 1000, 8, 200), AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY, CHANNEL_LAYOUT_STEREO, 1000, 16, 100), AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY, CHANNEL_LAYOUT_STEREO, 1000, 16, 200), AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY, CHANNEL_LAYOUT_STEREO, 2000, 8, 100), AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY, CHANNEL_LAYOUT_STEREO, 2000, 8, 200), AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY, CHANNEL_LAYOUT_STEREO, 2000, 16, 100), AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY, CHANNEL_LAYOUT_STEREO, 2000, 16, 200), }; AudioParameters::Compare target; for (size_t i = 0; i < arraysize(values); ++i) { for (size_t j = 0; j < arraysize(values); ++j) { SCOPED_TRACE("i=" + base::IntToString(i) + " j=" + base::IntToString(j)); EXPECT_EQ(i < j, target(values[i], values[j])); } // Verify that a value is never less than itself. EXPECT_FALSE(target(values[i], values[i])); } }