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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/command_line.h"
#include "base/files/memory_mapped_file.h"
#include "base/logging.h"
#include "base/path_service.h"
#include "base/strings/string_number_conversions.h"
#include "media/base/test_data_util.h"
#include "media/filters/h264_parser.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace media {
TEST(H264ParserTest, StreamFileParsing) {
base::FilePath file_path = GetTestDataFilePath("test-25fps.h264");
// Number of NALUs in the test stream to be parsed.
int num_nalus = 759;
base::MemoryMappedFile stream;
ASSERT_TRUE(stream.Initialize(file_path))
<< "Couldn't open stream file: " << file_path.MaybeAsASCII();
H264Parser parser;
parser.SetStream(stream.data(), stream.length());
// Parse until the end of stream/unsupported stream/error in stream is found.
int num_parsed_nalus = 0;
while (true) {
media::H264SliceHeader shdr;
media::H264SEIMessage sei_msg;
H264NALU nalu;
H264Parser::Result res = parser.AdvanceToNextNALU(&nalu);
if (res == H264Parser::kEOStream) {
DVLOG(1) << "Number of successfully parsed NALUs before EOS: "
<< num_parsed_nalus;
ASSERT_EQ(num_nalus, num_parsed_nalus);
return;
}
ASSERT_EQ(res, H264Parser::kOk);
++num_parsed_nalus;
int id;
switch (nalu.nal_unit_type) {
case H264NALU::kIDRSlice:
case H264NALU::kNonIDRSlice:
ASSERT_EQ(parser.ParseSliceHeader(nalu, &shdr), H264Parser::kOk);
break;
case H264NALU::kSPS:
ASSERT_EQ(parser.ParseSPS(&id), H264Parser::kOk);
break;
case H264NALU::kPPS:
ASSERT_EQ(parser.ParsePPS(&id), H264Parser::kOk);
break;
case H264NALU::kSEIMessage:
ASSERT_EQ(parser.ParseSEI(&sei_msg), H264Parser::kOk);
break;
default:
// Skip unsupported NALU.
DVLOG(4) << "Skipping unsupported NALU";
break;
}
}
}
} // namespace media
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