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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "testing/gtest/include/gtest/gtest.h" | |
| 6 | |
| 7 #include "base/command_line.h" | |
| 8 #include "base/files/memory_mapped_file.h" | |
| 9 #include "base/logging.h" | |
| 10 #include "base/strings/string_number_conversions.h" | |
| 11 #include "content/common/gpu/media/h264_parser.h" | |
| 12 | |
| 13 using content::H264Parser; | |
| 14 using content::H264NALU; | |
| 15 | |
| 16 const base::FilePath::CharType* test_stream_filename = | |
| 17 FILE_PATH_LITERAL("content/common/gpu/testdata/test-25fps.h264"); | |
| 18 // Number of NALUs in the stream to be parsed. | |
| 19 int num_nalus = 759; | |
| 20 | |
| 21 TEST(H264ParserTest, StreamFileParsing) { | |
| 22 base::FilePath fp(test_stream_filename); | |
| 23 base::MemoryMappedFile stream; | |
| 24 CHECK(stream.Initialize(fp)) << "Couldn't open stream file: " | |
| 25 << test_stream_filename; | |
| 26 DVLOG(1) << "Parsing file: " << test_stream_filename; | |
| 27 | |
| 28 H264Parser parser; | |
| 29 parser.SetStream(stream.data(), stream.length()); | |
| 30 | |
| 31 // Parse until the end of stream/unsupported stream/error in stream is found. | |
| 32 int num_parsed_nalus = 0; | |
| 33 while (true) { | |
| 34 content::H264SliceHeader shdr; | |
| 35 content::H264SEIMessage sei_msg; | |
| 36 H264NALU nalu; | |
| 37 H264Parser::Result res = parser.AdvanceToNextNALU(&nalu); | |
| 38 if (res == H264Parser::kEOStream) { | |
| 39 DVLOG(1) << "Number of successfully parsed NALUs before EOS: " | |
| 40 << num_parsed_nalus; | |
| 41 ASSERT_EQ(num_nalus, num_parsed_nalus); | |
| 42 return; | |
| 43 } | |
| 44 ASSERT_EQ(res, H264Parser::kOk); | |
| 45 | |
| 46 ++num_parsed_nalus; | |
| 47 | |
| 48 int id; | |
| 49 switch (nalu.nal_unit_type) { | |
| 50 case H264NALU::kIDRSlice: | |
| 51 case H264NALU::kNonIDRSlice: | |
| 52 ASSERT_EQ(parser.ParseSliceHeader(nalu, &shdr), H264Parser::kOk); | |
| 53 break; | |
| 54 | |
| 55 case H264NALU::kSPS: | |
| 56 ASSERT_EQ(parser.ParseSPS(&id), H264Parser::kOk); | |
| 57 break; | |
| 58 | |
| 59 case H264NALU::kPPS: | |
| 60 ASSERT_EQ(parser.ParsePPS(&id), H264Parser::kOk); | |
| 61 break; | |
| 62 | |
| 63 case H264NALU::kSEIMessage: | |
| 64 ASSERT_EQ(parser.ParseSEI(&sei_msg), H264Parser::kOk); | |
| 65 break; | |
| 66 | |
| 67 default: | |
| 68 // Skip unsupported NALU. | |
| 69 DVLOG(4) << "Skipping unsupported NALU"; | |
| 70 break; | |
| 71 } | |
| 72 } | |
| 73 } | |
| 74 | |
| 75 int main(int argc, char **argv) { | |
| 76 ::testing::InitGoogleTest(&argc, argv); | |
| 77 CommandLine::Init(argc, argv); | |
| 78 | |
| 79 const CommandLine::SwitchMap& switches = | |
| 80 CommandLine::ForCurrentProcess()->GetSwitches(); | |
| 81 for (CommandLine::SwitchMap::const_iterator it = switches.begin(); | |
| 82 it != switches.end(); ++it) { | |
| 83 if (it->first == "test_stream") { | |
| 84 test_stream_filename = it->second.c_str(); | |
| 85 } else if (it->first == "num_nalus") { | |
| 86 CHECK(base::StringToInt(it->second, &num_nalus)); | |
| 87 } else { | |
| 88 LOG(FATAL) << "Unexpected switch: " << it->first << ":" << it->second; | |
| 89 } | |
| 90 } | |
| 91 | |
| 92 return RUN_ALL_TESTS(); | |
| 93 } | |
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