15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/basictypes.h" 6868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)#include "base/strings/string_number_conversions.h" 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "media/audio/audio_parameters.h" 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "testing/gtest/include/gtest/gtest.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace media { 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)TEST(AudioParameters, Constructor_Default) { 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AudioParameters::Format expected_format = AudioParameters::AUDIO_PCM_LINEAR; 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int expected_bits = 0; 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int expected_channels = 0; 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ChannelLayout expected_channel_layout = CHANNEL_LAYOUT_NONE; 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int expected_rate = 0; 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int expected_samples = 0; 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AudioParameters params; 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(expected_format, params.format()); 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(expected_bits, params.bits_per_sample()); 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(expected_channels, params.channels()); 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(expected_channel_layout, params.channel_layout()); 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(expected_rate, params.sample_rate()); 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(expected_samples, params.frames_per_buffer()); 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)TEST(AudioParameters, Constructor_ParameterValues) { 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AudioParameters::Format expected_format = 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AudioParameters::AUDIO_PCM_LOW_LATENCY; 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int expected_bits = 16; 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int expected_channels = 6; 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ChannelLayout expected_channel_layout = CHANNEL_LAYOUT_5_1; 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int expected_rate = 44100; 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int expected_samples = 880; 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AudioParameters params(expected_format, expected_channel_layout, 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) expected_rate, expected_bits, expected_samples); 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(expected_format, params.format()); 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(expected_bits, params.bits_per_sample()); 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(expected_channels, params.channels()); 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(expected_channel_layout, params.channel_layout()); 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(expected_rate, params.sample_rate()); 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(expected_samples, params.frames_per_buffer()); 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)TEST(AudioParameters, GetBytesPerBuffer) { 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(100, AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHANNEL_LAYOUT_MONO, 1000, 8, 100) 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) .GetBytesPerBuffer()); 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(200, AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHANNEL_LAYOUT_MONO, 1000, 16, 100) 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) .GetBytesPerBuffer()); 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(200, AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHANNEL_LAYOUT_STEREO, 1000, 8, 100) 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) .GetBytesPerBuffer()); 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(200, AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHANNEL_LAYOUT_MONO, 1000, 8, 200) 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) .GetBytesPerBuffer()); 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(800, AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHANNEL_LAYOUT_STEREO, 1000, 16, 200) 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) .GetBytesPerBuffer()); 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)TEST(AudioParameters, GetBytesPerSecond) { 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(0, AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHANNEL_LAYOUT_NONE, 0, 0, 0) 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) .GetBytesPerSecond()); 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(0, AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHANNEL_LAYOUT_STEREO, 0, 0, 0) 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) .GetBytesPerSecond()); 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(0, AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHANNEL_LAYOUT_NONE, 100, 0, 0) 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) .GetBytesPerSecond()); 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(0, AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHANNEL_LAYOUT_NONE, 0, 8, 0) 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) .GetBytesPerSecond()); 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(200, AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHANNEL_LAYOUT_STEREO, 100, 8, 0) 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) .GetBytesPerSecond()); 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)TEST(AudioParameters, Compare) { 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AudioParameters values[] = { 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_MONO, 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1000, 8, 100), 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_MONO, 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1000, 8, 200), 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_MONO, 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1000, 16, 100), 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_MONO, 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1000, 16, 200), 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_MONO, 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2000, 8, 100), 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_MONO, 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2000, 8, 200), 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_MONO, 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2000, 16, 100), 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_MONO, 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2000, 16, 200), 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_STEREO, 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1000, 8, 100), 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_STEREO, 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1000, 8, 200), 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_STEREO, 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1000, 16, 100), 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_STEREO, 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1000, 16, 200), 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_STEREO, 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2000, 8, 100), 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_STEREO, 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2000, 8, 200), 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_STEREO, 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2000, 16, 100), 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AudioParameters(AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_STEREO, 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2000, 16, 200), 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY, CHANNEL_LAYOUT_MONO, 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1000, 8, 100), 1245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY, CHANNEL_LAYOUT_MONO, 1255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1000, 8, 200), 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY, CHANNEL_LAYOUT_MONO, 1275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1000, 16, 100), 1285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY, CHANNEL_LAYOUT_MONO, 1295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1000, 16, 200), 1305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY, CHANNEL_LAYOUT_MONO, 1315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2000, 8, 100), 1325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY, CHANNEL_LAYOUT_MONO, 1335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2000, 8, 200), 1345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY, CHANNEL_LAYOUT_MONO, 1355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2000, 16, 100), 1365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY, CHANNEL_LAYOUT_MONO, 1375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2000, 16, 200), 1385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY, 1405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHANNEL_LAYOUT_STEREO, 1000, 8, 100), 1415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY, 1425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHANNEL_LAYOUT_STEREO, 1000, 8, 200), 1435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY, 1445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHANNEL_LAYOUT_STEREO, 1000, 16, 100), 1455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY, 1465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHANNEL_LAYOUT_STEREO, 1000, 16, 200), 1475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY, 1485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHANNEL_LAYOUT_STEREO, 2000, 8, 100), 1495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY, 1505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHANNEL_LAYOUT_STEREO, 2000, 8, 200), 1515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY, 1525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHANNEL_LAYOUT_STEREO, 2000, 16, 100), 1535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY, 1545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHANNEL_LAYOUT_STEREO, 2000, 16, 200), 1555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) }; 1565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (size_t i = 0; i < arraysize(values); ++i) { 1585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (size_t j = 0; j < arraysize(values); ++j) { 1595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SCOPED_TRACE("i=" + base::IntToString(i) + " j=" + base::IntToString(j)); 1605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(i < j, values[i] < values[j]); 1615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Verify that a value is never less than itself. 1645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_FALSE(values[i] < values[i]); 1655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace media 169