162 lines
4.6 KiB
C++
162 lines
4.6 KiB
C++
// Copyright (c) 2016 The WebM project authors. All Rights Reserved.
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//
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// Use of this source code is governed by a BSD-style license
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// that can be found in the LICENSE file in the root of the source
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// tree. An additional intellectual property rights grant can be found
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// in the file PATENTS. All contributing project authors may
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// be found in the AUTHORS file in the root of the source tree.
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#include "src/audio_parser.h"
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#include "gtest/gtest.h"
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#include "test_utils/element_parser_test.h"
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#include "webm/id.h"
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using webm::Audio;
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using webm::AudioParser;
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using webm::ElementParserTest;
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using webm::Id;
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namespace {
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class AudioParserTest : public ElementParserTest<AudioParser, Id::kAudio> {};
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TEST_F(AudioParserTest, DefaultParse) {
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ParseAndVerify();
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const Audio audio = parser_.value();
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EXPECT_FALSE(audio.sampling_frequency.is_present());
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EXPECT_EQ(8000, audio.sampling_frequency.value());
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EXPECT_FALSE(audio.output_frequency.is_present());
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EXPECT_EQ(8000, audio.output_frequency.value());
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EXPECT_FALSE(audio.channels.is_present());
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EXPECT_EQ(1, audio.channels.value());
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EXPECT_FALSE(audio.bit_depth.is_present());
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EXPECT_EQ(0, audio.bit_depth.value());
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}
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TEST_F(AudioParserTest, DefaultValues) {
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SetReaderData({
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0xB5, // ID = 0x85 (SamplingFrequency).
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0x40, 0x00, // Size = 0.
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0x78, 0xB5, // ID = 0x78B5 (OutputSamplingFrequency).
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0x80, // Size = 0.
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0x9F, // ID = 0x9F (Channels).
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0x40, 0x00, // Size = 0.
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0x62, 0x64, // ID = 0x6264 (BitDepth).
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0x80, // Size = 0.
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});
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ParseAndVerify();
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const Audio audio = parser_.value();
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EXPECT_TRUE(audio.sampling_frequency.is_present());
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EXPECT_EQ(8000, audio.sampling_frequency.value());
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EXPECT_TRUE(audio.output_frequency.is_present());
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EXPECT_EQ(8000, audio.output_frequency.value());
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EXPECT_TRUE(audio.channels.is_present());
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EXPECT_EQ(1, audio.channels.value());
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EXPECT_TRUE(audio.bit_depth.is_present());
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EXPECT_EQ(0, audio.bit_depth.value());
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}
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TEST_F(AudioParserTest, CustomValues) {
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SetReaderData({
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0xB5, // ID = 0x85 (SamplingFrequency).
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0x84, // Size = 4.
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0x3F, 0x80, 0x00, 0x00, // Body (value = 1.0f).
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0x78, 0xB5, // ID = 0x78B5 (OutputSamplingFrequency).
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0x84, // Size = 4.
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0x3F, 0xDD, 0xB3, 0xD7, // Body (value = 1.73205077648162841796875f).
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0x9F, // ID = 0x9F (Channels).
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0x10, 0x00, 0x00, 0x01, // Size = 1.
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0x02, // Body (value = 2).
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0x62, 0x64, // ID = 0x6264 (BitDepth).
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0x10, 0x00, 0x00, 0x01, // Size = 1.
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0x01, // Body (value = 1).
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});
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ParseAndVerify();
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const Audio audio = parser_.value();
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EXPECT_TRUE(audio.sampling_frequency.is_present());
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EXPECT_EQ(1, audio.sampling_frequency.value());
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EXPECT_TRUE(audio.output_frequency.is_present());
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EXPECT_EQ(1.73205077648162841796875, audio.output_frequency.value());
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EXPECT_TRUE(audio.channels.is_present());
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EXPECT_EQ(2, audio.channels.value());
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EXPECT_TRUE(audio.bit_depth.is_present());
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EXPECT_EQ(1, audio.bit_depth.value());
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}
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TEST_F(AudioParserTest, AbsentOutputSamplingFrequency) {
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SetReaderData({
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0xB5, // ID = 0x85 (SamplingFrequency).
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0x84, // Size = 4.
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0x3F, 0x80, 0x00, 0x00, // Body (value = 1.0f).
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});
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ParseAndVerify();
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const Audio audio = parser_.value();
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EXPECT_TRUE(audio.sampling_frequency.is_present());
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EXPECT_EQ(1, audio.sampling_frequency.value());
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EXPECT_FALSE(audio.output_frequency.is_present());
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EXPECT_EQ(1, audio.output_frequency.value());
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EXPECT_FALSE(audio.channels.is_present());
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EXPECT_EQ(1, audio.channels.value());
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EXPECT_FALSE(audio.bit_depth.is_present());
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EXPECT_EQ(0, audio.bit_depth.value());
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}
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TEST_F(AudioParserTest, DefaultOutputSamplingFrequency) {
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SetReaderData({
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0xB5, // ID = 0x85 (SamplingFrequency).
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0x84, // Size = 4.
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0x3F, 0x80, 0x00, 0x00, // Body (value = 1.0f).
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0x78, 0xB5, // ID = 0x78B5 (OutputSamplingFrequency).
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0x10, 0x00, 0x00, 0x00, // Size = 0.
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});
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ParseAndVerify();
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const Audio audio = parser_.value();
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EXPECT_TRUE(audio.sampling_frequency.is_present());
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EXPECT_EQ(1, audio.sampling_frequency.value());
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EXPECT_TRUE(audio.output_frequency.is_present());
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EXPECT_EQ(1, audio.output_frequency.value());
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EXPECT_FALSE(audio.channels.is_present());
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EXPECT_EQ(1, audio.channels.value());
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EXPECT_FALSE(audio.bit_depth.is_present());
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EXPECT_EQ(0, audio.bit_depth.value());
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}
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} // namespace
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