Implemented HEVC video demuxing and parsing

media/BUILD.gn

Index: media/BUILD.gn
diff --git a/media/BUILD.gn b/media/BUILD.gn
index c4d3ea3927b5b1b037c50d49e777e72718606242..9a6d7e710ed5c9438387d209e77f2092316cb615 100644
--- a/media/BUILD.gn
+++ b/media/BUILD.gn
@@ -128,6 +128,8 @@ component("media") {
     "filters/h264_bit_reader.h",
     "filters/h264_parser.cc",
     "filters/h264_parser.h",
+    "filters/h265_parser.cc",
+    "filters/h265_parser.h",
     "filters/jpeg_parser.cc",
     "filters/jpeg_parser.h",
     "filters/renderer_impl.cc",
@@ -302,6 +304,8 @@ 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",
       ]
     }
   }
@@ -448,6 +452,8 @@ component("media") {
       "formats/mp4/box_reader.h",
       "formats/mp4/cenc.cc",
       "formats/mp4/cenc.h",
+      "formats/mp4/hevc.cc",
+      "formats/mp4/hevc.h",
       "formats/mp4/es_descriptor.cc",
       "formats/mp4/es_descriptor.h",
       "formats/mp4/mp4_stream_parser.cc",
@@ -530,6 +536,7 @@ test("media_unittests") {
     "filters/frame_processor_unittest.cc",
     "filters/h264_bit_reader_unittest.cc",
     "filters/h264_parser_unittest.cc",
+    "filters/h265_parser_unittest.cc",
     "filters/jpeg_parser_unittest.cc",
     "filters/renderer_impl_unittest.cc",
     "filters/skcanvas_video_renderer_unittest.cc",