Initial support for the desktop media pipeline on Android.

media/media.gyp

 # 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.
 
 {
   'variables': {
     'chromium_code': 1,
     # Override to dynamically link the cras (ChromeOS audio) library.
     'use_cras%': 0,
     # Option e.g. for Linux distributions to link pulseaudio directly
     # (DT_NEEDED) instead of using dlopen. This helps with automated
     # detection of ABI mismatches and prevents silent errors.
     'linux_link_pulseaudio%': 0,
     'conditions': [
-      ['OS=="android" or OS=="ios"', {
-        # Android and iOS don't use ffmpeg or libvpx.
-        'media_use_ffmpeg%': 0,
-        'media_use_libvpx%': 0,
-      }, {  # 'OS!="android" and OS!="ios"'
-        'media_use_ffmpeg%': 1,
-        'media_use_libvpx%': 1,
-      }],
       # Enable ALSA and Pulse for runtime selection.
       ['(OS=="linux" or OS=="freebsd" or OS=="solaris") and (embedded!=1 or (chromecast==1 and target_arch!="arm"))', {
         # ALSA is always needed for Web MIDI even if the cras is enabled.
         'use_alsa%': 1,
         'conditions': [
           ['use_cras==1', {
             'use_pulseaudio%': 0,
           }, {
             'use_pulseaudio%': 1,
           }],
         ],
       }, {
         'use_alsa%': 0,
         'use_pulseaudio%': 0,
       }],
       # low memory buffer is used in non-Android based chromecast build due to hardware limitation.
       ['chromecast==1 and OS!="android"', {
         'use_low_memory_buffer%': 1,
       }, {
         'use_low_memory_buffer%': 0,
       }],
     ],
   },
   'includes': [
     'media_cdm.gypi',
+    'media_variables.gypi',
   ],
   'targets': [
     {
       # GN version: //media
       'target_name': 'media',
       'type': '<(component)',
       'dependencies': [
         '../base/base.gyp:base',
         '../base/base.gyp:base_i18n',
         '../base/third_party/dynamic_annotations/dynamic_annotations.gyp:dynamic_annotations',
         '../crypto/crypto.gyp:crypto',
         '../gpu/gpu.gyp:command_buffer_common',
         '../skia/skia.gyp:skia',
         '../third_party/libyuv/libyuv.gyp:libyuv',
         '../third_party/opus/opus.gyp:opus',
         '../ui/events/events.gyp:events_base',
         '../ui/gfx/gfx.gyp:gfx',
         '../ui/gfx/gfx.gyp:gfx_geometry',
         '../url/url.gyp:url_lib',
         'shared_memory_support',
       ],
+      'export_dependent_settings': [
+        '../third_party/opus/opus.gyp:opus',
+      ],
       'defines': [
         'MEDIA_IMPLEMENTATION',
       ],
       'include_dirs': [
         '..',
       ],
       'sources': [
         'audio/agc_audio_stream.h',
         'audio/alsa/alsa_input.cc',
         'audio/alsa/alsa_input.h',
@@ skipping 174 matching lines @@
         'base/byte_queue.cc',
         'base/byte_queue.h',
         'base/cdm_callback_promise.cc',
         'base/cdm_callback_promise.h',
         'base/cdm_config.h',
         'base/cdm_context.cc',
         'base/cdm_context.h',
         'base/cdm_factory.cc',
         'base/cdm_factory.h',
         'base/cdm_initialized_promise.cc',
-        'base/cdm_initialized_promise.h',        
+        'base/cdm_initialized_promise.h',
         'base/cdm_key_information.cc',
         'base/cdm_key_information.h',
         'base/cdm_promise.cc',
         'base/cdm_promise.h',
         'base/cdm_promise_adapter.cc',
         'base/cdm_promise_adapter.h',
         'base/channel_mixer.cc',
         'base/channel_mixer.h',
         'base/channel_mixing_matrix.cc',
         'base/channel_mixing_matrix.h',
@@ skipping 425 matching lines @@
             'base/browser_cdm_factory.h',
           ],
         }],
         ['OS=="android"', {
           'dependencies': [
             'media_android_jni_headers',
             'media_java',
             'player_android',
             'video_capture_android_jni_headers',
           ],
-          'sources': [
-            'base/media.cc',
-            'base/media.h',
-          ],
           'sources!': [
-            'filters/opus_audio_decoder.cc',
-            'filters/opus_audio_decoder.h',
+            'base/audio_video_metadata_extractor.cc',
+            'base/audio_video_metadata_extractor.h',
+            'base/media_file_checker.cc',
+            'base/media_file_checker.h',
+            'filters/ffmpeg_video_decoder.cc',
+            'filters/ffmpeg_video_decoder.h',
           ],
           'defines': [
             'DISABLE_USER_INPUT_MONITOR',
           ],
+          'conditions': [
+            ['media_use_ffmpeg == 1', {
+              'defines': [
+                # On Android, FFmpeg is built without video decoders. We only
+                # support hardware decoding.

[xhwang, 2015/07/15 00:14:20]

s/hardware/hardware video/

+                'ENABLE_MEDIA_PIPELINE_ON_ANDROID',
+                'DISABLE_FFMPEG_VIDEO_DECODERS',
+              ],
+              'direct_dependent_settings': {
+                'defines': [
+                  'ENABLE_MEDIA_PIPELINE_ON_ANDROID',
+                  'DISABLE_FFMPEG_VIDEO_DECODERS',
+                ],
+              },
+            }, {  # media_use_ffmpeg == 0
+              'sources!': [
+                'filters/opus_audio_decoder.cc',
+                'filters/opus_audio_decoder.h',
+              ],
+            }],
+          ],
         }],
         # For VaapiVideoEncodeAccelerator.
         ['target_arch != "arm" and chromeos == 1', {
           'sources': [
             'filters/h264_bitstream_buffer.cc',
             'filters/h264_bitstream_buffer.h',
           ],
         }],
         ['use_alsa==1', {
           'link_settings': {
@@ skipping 524 matching lines @@
       'conditions': [
         ['arm_neon==1', {
           'defines': [
             'USE_NEON'
           ],
         }],
         ['media_use_ffmpeg==1', {
           'dependencies': [
             '../third_party/ffmpeg/ffmpeg.gyp:ffmpeg',
           ],
-        }, {  # media_use_ffmpeg== 0
+        }, {  # media_use_ffmpeg==0
+          'sources!': [
+            'ffmpeg/ffmpeg_common_unittest.cc',
+            'filters/audio_decoder_unittest.cc',
+            'filters/ffmpeg_aac_bitstream_converter_unittest.cc',
+            'filters/ffmpeg_demuxer_unittest.cc',
+            'filters/ffmpeg_glue_unittest.cc',
+            'filters/ffmpeg_h264_to_annex_b_bitstream_converter_unittest.cc',
+          ],
+        }],
+        # Even if FFmpeg is enabled on Android we don't want these.
+        # TODO(watk): Refactor tests that could be made to run on Android.
+        ['media_use_ffmpeg==0 or OS=="android"', {
           'sources!': [
             'base/audio_video_metadata_extractor_unittest.cc',
             'base/container_names_unittest.cc',
             'base/media_file_checker_unittest.cc',
-            'ffmpeg/ffmpeg_common_unittest.cc',
-            'filters/audio_decoder_unittest.cc',
             'filters/audio_file_reader_unittest.cc',
             'filters/blocking_url_protocol_unittest.cc',
-            'filters/ffmpeg_aac_bitstream_converter_unittest.cc',
-            'filters/ffmpeg_demuxer_unittest.cc',
-            'filters/ffmpeg_glue_unittest.cc',
-            'filters/ffmpeg_h264_to_annex_b_bitstream_converter_unittest.cc',
             'filters/ffmpeg_video_decoder_unittest.cc',
             'filters/in_memory_url_protocol_unittest.cc',
             'test/pipeline_integration_test.cc',
             'test/pipeline_integration_test_base.cc',
           ],
         }],
         ['(os_posix==1 and OS!="mac") or (OS=="win" and component!="shared_library" and win_use_allocator_shim==1)', {
           'conditions': [
             ['use_allocator!="none"', {
               'dependencies': [
@@ skipping 701 matching lines @@
               'dependencies': [
                 '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],
 }