145 lines
4.6 KiB
C++
145 lines
4.6 KiB
C++
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "media/mp4/aac_audio_specific_config.h"
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#include "testing/gtest/include/gtest/gtest.h"
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namespace media {
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namespace mp4 {
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TEST(AACAudioSpecificConfigTest, BasicProfileTest) {
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AACAudioSpecificConfig aac_audio_specific_config;
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uint8 buffer[] = {0x12, 0x10};
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std::vector<uint8> data;
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data.assign(buffer, buffer + sizeof(buffer));
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EXPECT_TRUE(aac_audio_specific_config.Parse(data));
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EXPECT_EQ(44100u, aac_audio_specific_config.GetOutputSamplesPerSecond(false));
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EXPECT_EQ(2u, aac_audio_specific_config.GetNumChannels(false));
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}
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TEST(AACAudioSpecificConfigTest, ExtensionTest) {
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AACAudioSpecificConfig aac_audio_specific_config;
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uint8 buffer[] = {0x13, 0x08, 0x56, 0xe5, 0x9d, 0x48, 0x80};
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std::vector<uint8> data;
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data.assign(buffer, buffer + sizeof(buffer));
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EXPECT_TRUE(aac_audio_specific_config.Parse(data));
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EXPECT_EQ(48000u, aac_audio_specific_config.GetOutputSamplesPerSecond(false));
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EXPECT_EQ(48000u, aac_audio_specific_config.GetOutputSamplesPerSecond(true));
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EXPECT_EQ(2u, aac_audio_specific_config.GetNumChannels(false));
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}
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// Test implicit SBR with mono channel config.
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// Mono channel layout should only be reported if SBR is not
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// specified. Otherwise stereo should be reported.
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// See ISO-14496-3 Section 1.6.6.1.2 for details about this special casing.
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TEST(AACAudioSpecificConfigTest, ImplicitSBR_ChannelConfig0) {
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AACAudioSpecificConfig aac_audio_specific_config;
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uint8 buffer[] = {0x13, 0x08};
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std::vector<uint8> data;
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data.assign(buffer, buffer + sizeof(buffer));
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EXPECT_TRUE(aac_audio_specific_config.Parse(data));
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// Test w/o implict SBR.
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EXPECT_EQ(24000u, aac_audio_specific_config.GetOutputSamplesPerSecond(false));
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EXPECT_EQ(1u, aac_audio_specific_config.GetNumChannels(false));
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// Test implicit SBR.
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EXPECT_EQ(48000u, aac_audio_specific_config.GetOutputSamplesPerSecond(true));
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EXPECT_EQ(2u, aac_audio_specific_config.GetNumChannels(true));
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}
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// Tests implicit SBR with a stereo channel config.
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TEST(AACAudioSpecificConfigTest, ImplicitSBR_ChannelConfig1) {
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AACAudioSpecificConfig aac_audio_specific_config;
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uint8 buffer[] = {0x13, 0x10};
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std::vector<uint8> data;
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data.assign(buffer, buffer + sizeof(buffer));
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EXPECT_TRUE(aac_audio_specific_config.Parse(data));
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// Test w/o implict SBR.
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EXPECT_EQ(24000u, aac_audio_specific_config.GetOutputSamplesPerSecond(false));
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EXPECT_EQ(2u, aac_audio_specific_config.GetNumChannels(false));
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// Test implicit SBR.
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EXPECT_EQ(48000u, aac_audio_specific_config.GetOutputSamplesPerSecond(true));
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EXPECT_EQ(2u, aac_audio_specific_config.GetNumChannels(true));
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}
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TEST(AACAudioSpecificConfigTest, SixChannelTest) {
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AACAudioSpecificConfig aac_audio_specific_config;
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uint8 buffer[] = {0x11, 0xb0};
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std::vector<uint8> data;
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data.assign(buffer, buffer + sizeof(buffer));
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EXPECT_TRUE(aac_audio_specific_config.Parse(data));
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EXPECT_EQ(48000u, aac_audio_specific_config.GetOutputSamplesPerSecond(false));
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EXPECT_EQ(6u, aac_audio_specific_config.GetNumChannels(false));
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}
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TEST(AACAudioSpecificConfigTest, DataTooShortTest) {
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AACAudioSpecificConfig aac_audio_specific_config;
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std::vector<uint8> data;
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EXPECT_FALSE(aac_audio_specific_config.Parse(data));
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data.push_back(0x12);
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EXPECT_FALSE(aac_audio_specific_config.Parse(data));
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}
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TEST(AACAudioSpecificConfigTest, IncorrectProfileTest) {
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AACAudioSpecificConfig aac_audio_specific_config;
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uint8 buffer[] = {0x0, 0x08};
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std::vector<uint8> data;
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data.assign(buffer, buffer + sizeof(buffer));
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EXPECT_FALSE(aac_audio_specific_config.Parse(data));
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data[0] = 0x08;
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EXPECT_TRUE(aac_audio_specific_config.Parse(data));
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data[0] = 0x28;
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EXPECT_FALSE(aac_audio_specific_config.Parse(data));
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}
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TEST(AACAudioSpecificConfigTest, IncorrectFrequencyTest) {
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AACAudioSpecificConfig aac_audio_specific_config;
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uint8 buffer[] = {0x0f, 0x88};
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std::vector<uint8> data;
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data.assign(buffer, buffer + sizeof(buffer));
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EXPECT_FALSE(aac_audio_specific_config.Parse(data));
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data[0] = 0x0e;
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data[1] = 0x08;
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EXPECT_TRUE(aac_audio_specific_config.Parse(data));
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}
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TEST(AACAudioSpecificConfigTest, IncorrectChannelTest) {
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AACAudioSpecificConfig aac_audio_specific_config;
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uint8 buffer[] = {0x0e, 0x00};
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std::vector<uint8> data;
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data.assign(buffer, buffer + sizeof(buffer));
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EXPECT_FALSE(aac_audio_specific_config.Parse(data));
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data[1] = 0x08;
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EXPECT_TRUE(aac_audio_specific_config.Parse(data));
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}
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} // namespace mp4
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} // namespace media
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