Implemented HEVC video demuxing and parsing

build/common.gypi

 # 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.
 
 # IMPORTANT:
 # Please don't directly include this file if you are building via gyp_chromium,
 # since gyp_chromium is automatically forcing its inclusion.
 {
   # Variables expected to be overriden on the GYP command line (-D) or by
   # ~/.gyp/include.gypi.
@@ skipping 1454 matching lines @@
 
     # IPC fuzzer is disabled by default.
     'enable_ipc_fuzzer%': 0,
 
     # Force disable libstdc++ debug mode.
     'disable_glibcxx_debug%': 0,
 
     # Set to 1 to compile with MSE support for MPEG2 TS
     'enable_mpeg2ts_stream_parser%': 0,
 
+    # HEVC/H265 demuxing support. For HEVC demuxing support in MediaSource/MSE
+    # changing this flag is sufficient. But when using FFmpegDemuxer, e.g. when
+    # using direct HEVC stream URL for HTMLMediaElement/<video> playback,
+    # src/third_party/ffmpeg needs to be configured and built with
+    # --enable-demuxer=hevc and --enable-parser=hevc, see
+    # third_party/ffmpeg/chromium/scripts/build_ffmpeg.py
+    'enable_hevc_demuxing%': 0,
+
     # Support ChromeOS touchpad gestures with ozone.
     'use_evdev_gestures%': 0,
 
     # Default ozone platform (if no --ozone-platform flag).
     'ozone_platform%': "",
 
     # Ozone platforms to include in the build.
     'ozone_platform_caca%': 0,
     'ozone_platform_dri%': 0,
     'ozone_platform_egltest%': 0,
@@ skipping 314 matching lines @@
 
         # Default android linker script for shared library exports.
         'android_linker_script%': '<(SHARED_INTERMEDIATE_DIR)/android_exports.lst',
       }],  # OS=="android"
       ['embedded==1', {
         'use_system_fontconfig%': 0,
       }, {
         'use_system_fontconfig%': 1,
       }],
       ['chromecast==1', {
+        'enable_hevc_demuxing%': 1,
         'enable_mpeg2ts_stream_parser%': 1,
         'ffmpeg_branding%': 'ChromeOS',
         'ozone_platform_ozonex%': 1,
         'use_playready%': 0,
         'conditions': [
           ['target_arch=="arm"', {
             'arm_arch%': '',
             'arm_tune%': 'cortex-a9',
             'arm_thumb%': 1,
             'video_hole%': 1,
@@ skipping 825 matching lines @@
       }],
       ['enable_webrtc==1', {
         'defines': ['ENABLE_WEBRTC=1'],
       }],
       ['proprietary_codecs==1', {
         'defines': ['USE_PROPRIETARY_CODECS'],
         'conditions': [
           ['enable_mpeg2ts_stream_parser==1', {
             'defines': ['ENABLE_MPEG2TS_STREAM_PARSER'],
           }],
+          ['enable_hevc_demuxing==1', {
+            'defines': ['ENABLE_HEVC_DEMUXING'],
+          }],
         ],
       }],
       ['enable_viewport==1', {
         'defines': ['ENABLE_VIEWPORT'],
       }],
       ['enable_pepper_cdms==1', {
         'defines': ['ENABLE_PEPPER_CDMS'],
       }],
       ['enable_browser_cdms==1', {
         'defines': ['ENABLE_BROWSER_CDMS'],
@@ skipping 3225 matching lines @@
     # settings in target dicts.  SYMROOT is a special case, because many other
     # Xcode variables depend on it, including variables such as
     # PROJECT_DERIVED_FILE_DIR.  When a source group corresponding to something
     # like PROJECT_DERIVED_FILE_DIR is added to a project, in order for the
     # files to appear (when present) in the UI as actual files and not red
     # red "missing file" proxies, the correct path to PROJECT_DERIVED_FILE_DIR,
     # and therefore SYMROOT, needs to be set at the project level.
     'SYMROOT': '<(DEPTH)/xcodebuild',
   },
 }