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// Copyright (c) 2012 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 "testing/gtest/include/gtest/gtest.h"
#include "base/command_line.h"
#include "base/file_util.h"
#include "base/logging.h"
#include "base/string_number_conversions.h"
#include "content/common/gpu/media/h264_parser.h"
using content::H264Parser;
using content::H264NALU;
const base::FilePath::CharType* test_stream_filename =
FILE_PATH_LITERAL("content/common/gpu/testdata/test-25fps.h264");
// Number of NALUs in the stream to be parsed.
int num_nalus = 759;
TEST(H264ParserTest, StreamFileParsing) {
base::FilePath fp(test_stream_filename);
file_util::MemoryMappedFile stream;
CHECK(stream.Initialize(fp)) << "Couldn't open stream file: "
<< test_stream_filename;
DVLOG(1) << "Parsing file: " << test_stream_filename;
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) {
content::H264SliceHeader shdr;
content::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;
}
}
}
int main(int argc, char **argv) {
::testing::InitGoogleTest(&argc, argv);
CommandLine::Init(argc, argv);
const CommandLine::SwitchMap& switches =
CommandLine::ForCurrentProcess()->GetSwitches();
for (CommandLine::SwitchMap::const_iterator it = switches.begin();
it != switches.end(); ++it) {
if (it->first == "test_stream") {
test_stream_filename = it->second.c_str();
} else if (it->first == "num_nalus") {
CHECK(base::StringToInt(it->second, &num_nalus));
} else {
LOG(FATAL) << "Unexpected switch: " << it->first << ":" << it->second;
}
}
return RUN_ALL_TESTS();
}
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