Build supported media targets on iOS.

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 PulseAudio library.
     'use_pulseaudio%': 0,
     # Override to dynamically link the cras (ChromeOS audio) library.
     'use_cras%': 0,
+    'conditions': [
+      ['OS == "android" or OS == "ios"', {
+        # Android and iOS don't use ffmpeg.
+        'use_ffmpeg%': 0,
+      }, {  # 'OS != "android" and OS != "ios"'
+        'use_ffmpeg%': 1,
+      }],
+    ],
   },
   'targets': [
     {
       'target_name': 'media',
       'type': '<(component)',
       'dependencies': [
         '../base/base.gyp:base',
-        '../base/third_party/dynamic_annotations/dynamic_annotations.gyp:dynamic_annotations',
         '../build/temp_gyp/googleurl.gyp:googleurl',
         '../crypto/crypto.gyp:crypto',
-        'shared_memory_support',
         '../ui/ui.gyp:ui',
-        'yuv_convert',
       ],
       'defines': [
         'MEDIA_IMPLEMENTATION',
       ],
       'include_dirs': [
         '..',
       ],
       'sources': [
         'audio/android/audio_manager_android.cc',
         'audio/android/audio_manager_android.h',
@@ skipping 133 matching lines @@
         'base/decrypt_config.h',
         'base/demuxer.cc',
         'base/demuxer.h',
         'base/demuxer_stream.cc',
         'base/demuxer_stream.h',
         'base/djb2.cc',
         'base/djb2.h',
         'base/filter_collection.cc',
         'base/filter_collection.h',
         'base/media.h',
-        'base/media_android.cc',
         'base/media_log.cc',
         'base/media_log.h',
         'base/media_log_event.h',
         'base/media_posix.cc',
         'base/media_switches.cc',
         'base/media_switches.h',
         'base/media_win.cc',
         'base/message_loop_factory.cc',
         'base/message_loop_factory.h',
         'base/multi_channel_resampler.cc',
@@ skipping 112 matching lines @@
         'webm/webm_stream_parser.h',
         'webm/webm_tracks_parser.cc',
         'webm/webm_tracks_parser.h',
       ],
       'direct_dependent_settings': {
         'include_dirs': [
           '..',
         ],
       },
       'conditions': [
-        # Android doesn't use ffmpeg, so make the dependency conditional
-        # and exclude the sources which depend on ffmpeg.
-        ['OS != "android"', {
+        ['OS != "ios"', {
+          'dependencies': [
+            '../base/third_party/dynamic_annotations/dynamic_annotations.gyp:dynamic_annotations',
+            'shared_memory_support',
+            'yuv_convert',
+          ],
+        }],
+        ['use_ffmpeg == 1', {
           'dependencies': [
             '../third_party/ffmpeg/ffmpeg.gyp:ffmpeg',
           ],
-        }],
-        ['OS == "android"', {
+        }, {  # use_ffmpeg == 0
+          # Exclude the sources that depend on ffmpeg.
           'sources!': [
             'base/media_posix.cc',
             'ffmpeg/ffmpeg_common.cc',
             'ffmpeg/ffmpeg_common.h',
             'ffmpeg/file_protocol.cc',
             'ffmpeg/file_protocol.h',
             'filters/audio_file_reader.cc',
             'filters/audio_file_reader.h',
             'filters/chunk_demuxer.cc',
             'filters/chunk_demuxer.h',
             'filters/chunk_demuxer_client.h',
             'filters/ffmpeg_audio_decoder.cc',
             'filters/ffmpeg_audio_decoder.h',
             'filters/ffmpeg_demuxer.cc',
             'filters/ffmpeg_demuxer.h',
             'filters/ffmpeg_glue.cc',
             'filters/ffmpeg_glue.h',
             'filters/ffmpeg_h264_to_annex_b_bitstream_converter.cc',
             'filters/ffmpeg_h264_to_annex_b_bitstream_converter.h',
             'filters/ffmpeg_video_decoder.cc',
             'filters/ffmpeg_video_decoder.h',
             'filters/gpu_video_decoder.cc',
             'filters/gpu_video_decoder.h',
             'webm/webm_cluster_parser.cc',
             'webm/webm_cluster_parser.h',
             'webm/webm_stream_parser.cc',
             'webm/webm_stream_parser.h',
           ],
         }],
+        ['OS == "ios"', {
+          'includes': [
+            # For shared_memory_support_sources variable.
+            'shared_memory_support.gypi',
+          ],
+          'sources': [
+            'base/media_stub.cc',
+            # These sources are normally built via a dependency on the
+            # shared_memory_support target, but that target is not built on iOS.
+            # Instead, directly build only the files that are needed for iOS.
+            '<@(shared_memory_support_sources)',
+          ],
+          'sources/': [
+            # iOS support is limited to audio input only.

[scherkus (not reviewing), 2012/09/05 15:39:22]

should audio/mac/audio_input_mac\\. be listed here or is that covered by another
rule?

[blundell, 2012/09/05 15:54:49]

We are not using audio_input_mac. Stay tuned for an exciting future installment
wherein audio_input_ios is upstreamed :).
On 2012/09/05 15:39:22, scherkus wrote:

[scherkus (not reviewing), 2012/09/05 15:56:56]

SGTM!

On 2012/09/05 15:54:49, blundell wrote:

+            ['exclude', '.*'],
+            ['include', '^audio/audio_buffers_state\\.'],
+            ['include', '^audio/audio_input_controller\\.'],
+            ['include', '^audio/audio_io\\.h$'],
+            ['include', '^audio/audio_manager\\.'],
+            ['include', '^audio/audio_manager_base\\.'],
+            ['include', '^audio/audio_parameters\\.'],
+            ['include', '^audio/fake_audio_input_stream\\.'],
+            ['include', '^audio/fake_audio_output_stream\\.'],
+            ['include', '^base/channel_layout\\.'],
+            ['include', '^base/media\\.h$'],
+            ['include', '^base/media_stub\\.cc$'],
+          ],
+          'link_settings': {
+            'libraries': [
+              '$(SDKROOT)/System/Library/Frameworks/AudioToolbox.framework',
+              '$(SDKROOT)/System/Library/Frameworks/CoreAudio.framework',
+            ],
+          },
+        }],
         ['OS == "android"', {
+          'sources': [
+            'base/media_stub.cc',
+          ],
           'link_settings': {
             'libraries': [
               '-lOpenSLES',
             ],
           },
         }],
         # A simple WebM encoder for animated avatars on ChromeOS.
         ['chromeos==1', {
           'dependencies': [
             '../skia/skia.gyp:skia',
@@ skipping 132 matching lines @@
           ],
         }],
       ],
     },
     {
       'target_name': 'media_unittests',
       'type': '<(gtest_target_type)',
       'dependencies': [
         'media',
         'media_test_support',
-        'shared_memory_support',
-        'yuv_convert',
         '../base/base.gyp:base',
         '../base/base.gyp:base_i18n',
         '../base/base.gyp:test_support_base',
         '../testing/gmock.gyp:gmock',
         '../testing/gtest.gyp:gtest',
         '../ui/ui.gyp:ui',
       ],
       'sources': [
         'audio/async_socket_io_handler_unittest.cc',
         'audio/audio_input_controller_unittest.cc',
@@ skipping 56 matching lines @@
         'filters/source_buffer_stream_unittest.cc',
         'filters/video_renderer_base_unittest.cc',
         'video/capture/video_capture_device_unittest.cc',
         'webm/cluster_builder.cc',
         'webm/cluster_builder.h',
         'webm/webm_cluster_parser_unittest.cc',
         'webm/webm_content_encodings_client_unittest.cc',
         'webm/webm_parser_unittest.cc',
       ],
       'conditions': [
-        ['os_posix==1 and OS!="mac"', {
+        ['OS != "ios"', {
+          'dependencies': [
+            'shared_memory_support',
+            'yuv_convert',
+          ],
+        }],
+        ['use_ffmpeg == 1', {
+          'dependencies': [
+            '../third_party/ffmpeg/ffmpeg.gyp:ffmpeg',
+          ],
+        }],
+        ['os_posix==1 and OS!="mac" and OS!="ios"', {
           'conditions': [
             ['linux_use_tcmalloc==1', {
               'dependencies': [
                 '../base/allocator/allocator.gyp:allocator',
               ],
             }],
           ],
         }],
+        ['OS == "ios"', {
+          'sources/': [
+            ['exclude', '.*'],
+            ['include', '^audio/audio_parameters_unittest\\.cc$'],
+            ['include', '^base/mock_reader\\.h$'],
+            ['include', '^base/run_all_unittests\\.cc$'],
+          ],
+        }],
         ['OS=="android"', {
           'sources!': [
             'audio/audio_input_volume_unittest.cc',
             'base/test_data_util.cc',
             'base/test_data_util.h',
             'ffmpeg/ffmpeg_common_unittest.cc',
             'filters/chunk_demuxer_unittest.cc',
             'filters/ffmpeg_audio_decoder_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/pipeline_integration_test.cc',
             'filters/pipeline_integration_test_base.cc',
             'mp4/mp4_stream_parser_unittest.cc',
             'webm/webm_cluster_parser_unittest.cc',
           ],
           'conditions': [
             ['gtest_target_type == "shared_library"', {
               'dependencies': [
                 '../testing/android/native_test.gyp:native_test_native_code',
               ],
             }],
           ],
-        }, {  # OS!=android
-          'dependencies': [
-            '../third_party/ffmpeg/ffmpeg.gyp:ffmpeg',
-          ],
         }],
         ['OS == "linux"', {
           'conditions': [
             ['use_cras == 1', {
               'sources': [
                 'audio/linux/cras_input_unittest.cc',
                 'audio/linux/cras_output_unittest.cc',
               ],
               'defines': [
                 'USE_CRAS',
@@ skipping 557 matching lines @@
             'media',
           ],
           'sources': [
             'tools/media_bench/media_bench.cc',
           ],
         },
       ],
     }]
   ],
 }