98 lines
3.9 KiB
C++
98 lines
3.9 KiB
C++
// Copyright 2014 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 <packager/media/formats/mp2t/adts_header.h>
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#include <absl/log/log.h>
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#include <absl/strings/numbers.h>
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#include <gtest/gtest.h>
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#include <packager/utils/hex_parser.h>
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namespace {
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const char kValidAdtsFrame[] =
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"fff15080429ffcda004c61766335332e33352e30004258892a5361062403"
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"d040000000001ff9055e9fe77ac56eb1677484e0ef0c3102a39daa8355a5"
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"37ecab2b156e4ba73ceedb24ea51194e57c9385fa67eca8edc914902e852"
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"3185b52299516e679fb3768aa9f13ccac5b257410080282c9a50318ec94e"
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"ba24ea305bafab2b2beab16557ef9ecaa8f17bedea84788c8d42e4b3c65b"
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"1e7ecae7528b909bc46c76cca73b906ec980ed9f32b25ecd28f43f9516de"
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"3ff249f23bb9c93e64c4808195f284653c40592c1a8dc847f5f11791fd80"
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"b18e02c1e1ed9f82c62a1f8ea0f5b6dbf2112c2202973b00de71bb49f906"
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"ed1bc63768dda378c8f9c6ed1bb48f68dda378c9f68dda3768dda3768de3"
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"23da3768de31bb492a5361062403d040000000001ff9055e9fe77ac56eb1"
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"677484e0ef0c3102a39daa8355a537ecab2b156e4ba73ceedb24ea51194e"
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"57c9385fa67eca8edc914902e8523185b52299516e679fb3768aa9f13cca"
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"c5b257410080282c9a50318ec94eba24ea305bafab2b2beab16557ef9eca"
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"a8f17bedea84788c8d42e4b3c65b1e7ecae7528b909bc46c76cca73b906e"
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"c980ed9f32b25ecd28f43f9516de3ff249f23bb9c93e64c4808195f28465"
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"3c40592c1a8dc847f5f11791fd80b18e02c1e1ed9f82c62a1f8ea0f5b6db"
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"f2112c2202973b00de71bb49f906ed1bc63768dda378c8f9c6ed1bb48f68"
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"dda378c9f68dda3768dda3768de323da3768de31bb4e";
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const uint8_t kExpectedAudioSpecificConfig[] = {0x12, 0x10};
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} // anonymous namespace
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namespace shaka {
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namespace media {
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namespace mp2t {
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class AdtsHeaderTest : public testing::Test {
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public:
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void SetUp() override {
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ASSERT_TRUE(shaka::ValidHexStringToBytes(kValidAdtsFrame, &adts_frame_));
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}
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protected:
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std::vector<uint8_t> adts_frame_;
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};
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TEST_F(AdtsHeaderTest, ParseSuccess) {
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const size_t kExpectedHeaderSize(7);
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const uint8_t kExpectedObjectType(2);
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const uint32_t kExpectedSamplingFrequency(44100);
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const uint8_t kExpectedNumChannels(2);
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AdtsHeader adts_header;
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EXPECT_EQ(adts_frame_.size(),
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adts_header.GetFrameSizeWithoutParsing(adts_frame_.data(),
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adts_frame_.size()));
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ASSERT_TRUE(adts_header.Parse(adts_frame_.data(), adts_frame_.size()));
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EXPECT_EQ(adts_frame_.size(), adts_header.GetFrameSize());
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EXPECT_EQ(kExpectedHeaderSize, adts_header.GetHeaderSize());
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EXPECT_EQ(kExpectedObjectType, adts_header.GetObjectType());
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EXPECT_EQ(kExpectedSamplingFrequency, adts_header.GetSamplingFrequency());
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EXPECT_EQ(kExpectedNumChannels, adts_header.GetNumChannels());
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std::vector<uint8_t> audio_specific_config;
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adts_header.GetAudioSpecificConfig(&audio_specific_config);
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EXPECT_EQ(std::size(kExpectedAudioSpecificConfig),
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audio_specific_config.size());
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EXPECT_EQ(std::vector<uint8_t>(kExpectedAudioSpecificConfig,
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kExpectedAudioSpecificConfig +
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std::size(kExpectedAudioSpecificConfig)),
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audio_specific_config);
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}
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TEST_F(AdtsHeaderTest, ParseVariousDataSize) {
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AdtsHeader adts_header;
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// Parse succeeds as long as the full header is provided.
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EXPECT_TRUE(adts_header.Parse(adts_frame_.data(), adts_frame_.size() - 1));
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const size_t header_size = adts_header.GetHeaderSize();
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EXPECT_EQ(adts_frame_.size(), adts_header.GetFrameSize());
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EXPECT_TRUE(adts_header.Parse(adts_frame_.data(), header_size));
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EXPECT_EQ(adts_frame_.size(), adts_header.GetFrameSize());
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EXPECT_EQ(header_size, adts_header.GetHeaderSize());
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// Parse fails if there is not enough data (no full header).
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EXPECT_FALSE(adts_header.Parse(adts_frame_.data(), 1));
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EXPECT_FALSE(adts_header.Parse(adts_frame_.data(), header_size - 1));
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}
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} // Namespace mp2t
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} // namespace media
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} // namespace shaka
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