Implemented HEVC video demuxing and parsing

media/filters/h265_parser_unittest.cc

+// Copyright 2015 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.
+#if defined(USE_PROPRIETARY_CODECS) && defined(ENABLE_HEVC_DEMUXING)
+
+#include "base/files/memory_mapped_file.h"
+#include "base/logging.h"
+#include "media/base/test_data_util.h"
+#include "media/filters/h265_parser.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace media {
+
+TEST(H265ParserTest, RawHevcStreamFileParsing) {
+  base::FilePath file_path = GetTestDataFilePath("bear.hevc");
+  // Number of NALUs in the test stream to be parsed.
+  int num_nalus = 35;
+
+  base::MemoryMappedFile stream;
+  ASSERT_TRUE(stream.Initialize(file_path))
+      << "Couldn't open stream file: " << file_path.MaybeAsASCII();
+
+  H265Parser 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) {
+    H265NALU nalu;
+    H265Parser::Result res = parser.AdvanceToNextNALU(&nalu);
+    if (res == H265Parser::kEOStream) {
+      DVLOG(1) << "Number of successfully parsed NALUs before EOS: "
+               << num_parsed_nalus;
+      ASSERT_EQ(num_nalus, num_parsed_nalus);
+      return;
+    }
+    ASSERT_EQ(res, H265Parser::kOk);
+
+    ++num_parsed_nalus;
+    DVLOG(4) << "Found NALU " << nalu.nal_unit_type;
+  }
+}
+
+}  // namespace media
+
+#endif