Implemented HEVC video demuxing and parsing

media/BUILD.gn

Index: media/BUILD.gn
diff --git a/media/BUILD.gn b/media/BUILD.gn
index b6f8276d848bbc351d8bbde5e9661a3df7c6b520..fec7d2f7a8364dd4ec78dc207be8de10aa42defc 100644
--- a/media/BUILD.gn
+++ b/media/BUILD.gn
@@ -312,10 +312,21 @@ component("media") {
         "filters/ffmpeg_aac_bitstream_converter.h",
         "filters/ffmpeg_h264_to_annex_b_bitstream_converter.cc",
         "filters/ffmpeg_h264_to_annex_b_bitstream_converter.h",
+        "filters/ffmpeg_h265_to_annex_b_bitstream_converter.cc",
+        "filters/ffmpeg_h265_to_annex_b_bitstream_converter.h",
       ]
     }
   }
 
+  if (proprietary_codecs) {
+    sources += [
+      "filters/h265_parser.cc",
+      "filters/h265_parser.h",
+      "formats/mp4/hevc.cc",
+      "formats/mp4/hevc.h",
+    ]
+  }
+
   if (current_cpu == "arm" && arm_use_neon) {
     defines += [ "USE_NEON" ]
   }
@@ -619,6 +630,7 @@ test("media_unittests") {
       "filters/ffmpeg_aac_bitstream_converter_unittest.cc",
       "filters/ffmpeg_h264_to_annex_b_bitstream_converter_unittest.cc",
       "filters/h264_to_annex_b_bitstream_converter_unittest.cc",
+      "filters/h265_parser_unittest.cc",
       "formats/common/stream_parser_test_base.cc",
       "formats/common/stream_parser_test_base.h",
       "formats/mp2t/es_adapter_video_unittest.cc",