shaka-packager/media/formats/mp4/mp4_media_parser_unittest.cc

136 lines
4.0 KiB
C++

// Copyright 2014 Google Inc. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file or at
// https://developers.google.com/open-source/licenses/bsd
#include <gtest/gtest.h>
#include "base/bind.h"
#include "base/logging.h"
#include "media/base/media_sample.h"
#include "media/formats/mp4/mp4_media_parser.h"
#include "media/test/test_data_util.h"
namespace edash_packager {
namespace media {
namespace mp4 {
class MP4MediaParserTest : public testing::Test {
public:
MP4MediaParserTest() : configs_received_(false) {
parser_.reset(new MP4MediaParser());
}
protected:
scoped_ptr<MP4MediaParser> parser_;
bool configs_received_;
bool AppendData(const uint8_t* data, size_t length) {
return parser_->Parse(data, length);
}
bool AppendDataInPieces(const uint8_t* data,
size_t length,
size_t piece_size) {
const uint8_t* start = data;
const uint8_t* end = data + length;
while (start < end) {
size_t append_size = std::min(piece_size,
static_cast<size_t>(end - start));
if (!AppendData(start, append_size))
return false;
start += append_size;
}
return true;
}
void InitF(const std::vector<scoped_refptr<StreamInfo> >& streams) {
if (streams.size() > 0)
configs_received_ = true;
}
bool NewSampleF(uint32_t track_id, const scoped_refptr<MediaSample>& sample) {
DVLOG(2) << "Track Id: " << track_id << " "
<< sample->ToString();
return true;
}
void InitializeParser() {
parser_->Init(
base::Bind(&MP4MediaParserTest::InitF, base::Unretained(this)),
base::Bind(&MP4MediaParserTest::NewSampleF, base::Unretained(this)),
NULL);
}
bool ParseMP4File(const std::string& filename, int append_bytes) {
InitializeParser();
std::vector<uint8_t> buffer = ReadTestDataFile(filename);
EXPECT_TRUE(AppendDataInPieces(buffer.data(),
buffer.size(),
append_bytes));
return true;
}
};
TEST_F(MP4MediaParserTest, UnalignedAppend) {
// Test small, non-segment-aligned appends (small enough to exercise
// incremental append system)
ParseMP4File("bear-1280x720-av_frag.mp4", 512);
}
TEST_F(MP4MediaParserTest, BytewiseAppend) {
// Ensure no incremental errors occur when parsing
ParseMP4File("bear-1280x720-av_frag.mp4", 1);
}
TEST_F(MP4MediaParserTest, MultiFragmentAppend) {
// Large size ensures multiple fragments are appended in one call (size is
// larger than this particular test file)
ParseMP4File("bear-1280x720-av_frag.mp4", 768432);
}
TEST_F(MP4MediaParserTest, Flush) {
// Flush while reading sample data, then start a new stream.
InitializeParser();
std::vector<uint8_t> buffer = ReadTestDataFile("bear-1280x720-av_frag.mp4");
EXPECT_TRUE(AppendDataInPieces(buffer.data(), 65536, 512));
parser_->Flush();
EXPECT_TRUE(AppendDataInPieces(buffer.data(), buffer.size(), 512));
}
TEST_F(MP4MediaParserTest, Reinitialization) {
InitializeParser();
std::vector<uint8_t> buffer = ReadTestDataFile("bear-1280x720-av_frag.mp4");
EXPECT_TRUE(AppendDataInPieces(buffer.data(), buffer.size(), 512));
EXPECT_TRUE(AppendDataInPieces(buffer.data(), buffer.size(), 512));
}
TEST_F(MP4MediaParserTest, MPEG2_AAC_LC) {
ParseMP4File("bear-mpeg2-aac-only_frag.mp4", 512);
}
// Test that a moov box is not always required after Flush() is called.
TEST_F(MP4MediaParserTest, NoMoovAfterFlush) {
InitializeParser();
std::vector<uint8_t> buffer = ReadTestDataFile("bear-1280x720-av_frag.mp4");
EXPECT_TRUE(AppendDataInPieces(buffer.data(), buffer.size(), 512));
parser_->Flush();
const int kFirstMoofOffset = 1307;
EXPECT_TRUE(AppendDataInPieces(
buffer.data() + kFirstMoofOffset, buffer.size() - kFirstMoofOffset, 512));
}
TEST_F(MP4MediaParserTest, NON_FRAGMENTED_MP4) {
ParseMP4File("bear-1280x720.mp4", 512);
}
} // namespace mp4
} // namespace media
} // namespace edash_packager