Convert enable_mpeg2ts into a new-style buildflag

media/BUILD.gn

 # Copyright 2014 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.
 
+import("//build/buildflag_header.gni")
 import("//build/config/android/config.gni")
 import("//build/config/arm.gni")
 import("//build/config/features.gni")
 import("//build/config/linux/pkg_config.gni")
 import("//build/config/ui.gni")
 import("//media/media_options.gni")
 import("//testing/test.gni")
 
+buildflag_header("media_features") {
+  header = "media_features.h"
+
+  flags =
+      [ "ENABLE_MSE_MPEG2TS_STREAM_PARSER=$enable_mse_mpeg2ts_stream_parser" ]
+}
+
 # Common configuration for targets in the media directory.
 # NOT for exporting.
 config("media_config") {
   defines = []
   if (!media_use_libvpx) {
     defines += [ "MEDIA_DISABLE_LIBVPX" ]
   }
   if (!media_use_ffmpeg) {
     defines += [ "MEDIA_DISABLE_FFMPEG" ]
   }
@@ skipping 449 matching lines @@
       "mfuuid.lib",
     ]
   }
 
   if (proprietary_codecs) {
     sources += [
       "cdm/cenc_utils.cc",
       "cdm/cenc_utils.h",
       "filters/h264_to_annex_b_bitstream_converter.cc",
       "filters/h264_to_annex_b_bitstream_converter.h",
-      "formats/mp2t/es_adapter_video.cc",
-      "formats/mp2t/es_adapter_video.h",
-      "formats/mp2t/es_parser.cc",
-      "formats/mp2t/es_parser.h",
-      "formats/mp2t/es_parser_adts.cc",
-      "formats/mp2t/es_parser_adts.h",
-      "formats/mp2t/es_parser_h264.cc",
-      "formats/mp2t/es_parser_h264.h",
-      "formats/mp2t/es_parser_mpeg1audio.cc",
-      "formats/mp2t/es_parser_mpeg1audio.h",
-      "formats/mp2t/mp2t_common.h",
-      "formats/mp2t/mp2t_stream_parser.cc",
-      "formats/mp2t/mp2t_stream_parser.h",
-      "formats/mp2t/timestamp_unroller.cc",
-      "formats/mp2t/timestamp_unroller.h",
-      "formats/mp2t/ts_packet.cc",
-      "formats/mp2t/ts_packet.h",
-      "formats/mp2t/ts_section.h",
-      "formats/mp2t/ts_section_pat.cc",
-      "formats/mp2t/ts_section_pat.h",
-      "formats/mp2t/ts_section_pes.cc",
-      "formats/mp2t/ts_section_pes.h",
-      "formats/mp2t/ts_section_pmt.cc",
-      "formats/mp2t/ts_section_pmt.h",
-      "formats/mp2t/ts_section_psi.cc",
-      "formats/mp2t/ts_section_psi.h",
       "formats/mp4/aac.cc",
       "formats/mp4/aac.h",
       "formats/mp4/avc.cc",
       "formats/mp4/avc.h",
       "formats/mp4/bitstream_converter.cc",
       "formats/mp4/bitstream_converter.h",
       "formats/mp4/box_definitions.cc",
       "formats/mp4/box_definitions.h",
       "formats/mp4/box_reader.cc",
       "formats/mp4/box_reader.h",
       "formats/mp4/cenc.cc",
       "formats/mp4/cenc.h",
       "formats/mp4/es_descriptor.cc",
       "formats/mp4/es_descriptor.h",
       "formats/mp4/mp4_stream_parser.cc",
       "formats/mp4/mp4_stream_parser.h",
       "formats/mp4/sample_to_group_iterator.cc",
       "formats/mp4/sample_to_group_iterator.h",
       "formats/mp4/track_run_iterator.cc",
       "formats/mp4/track_run_iterator.h",
       "formats/mpeg/adts_constants.cc",
       "formats/mpeg/adts_constants.h",
       "formats/mpeg/adts_stream_parser.cc",
       "formats/mpeg/adts_stream_parser.h",
       "formats/mpeg/mpeg1_audio_stream_parser.cc",
       "formats/mpeg/mpeg1_audio_stream_parser.h",
       "formats/mpeg/mpeg_audio_stream_parser_base.cc",
       "formats/mpeg/mpeg_audio_stream_parser_base.h",
     ]
+    if (enable_mse_mpeg2ts_stream_parser) {
+      sources += [
+        "formats/mp2t/es_adapter_video.cc",
+        "formats/mp2t/es_adapter_video.h",
+        "formats/mp2t/es_parser.cc",
+        "formats/mp2t/es_parser.h",
+        "formats/mp2t/es_parser_adts.cc",
+        "formats/mp2t/es_parser_adts.h",
+        "formats/mp2t/es_parser_h264.cc",
+        "formats/mp2t/es_parser_h264.h",
+        "formats/mp2t/es_parser_mpeg1audio.cc",
+        "formats/mp2t/es_parser_mpeg1audio.h",
+        "formats/mp2t/mp2t_common.h",
+        "formats/mp2t/mp2t_stream_parser.cc",
+        "formats/mp2t/mp2t_stream_parser.h",
+        "formats/mp2t/timestamp_unroller.cc",
+        "formats/mp2t/timestamp_unroller.h",
+        "formats/mp2t/ts_packet.cc",
+        "formats/mp2t/ts_packet.h",
+        "formats/mp2t/ts_section.h",
+        "formats/mp2t/ts_section_pat.cc",
+        "formats/mp2t/ts_section_pat.h",
+        "formats/mp2t/ts_section_pes.cc",
+        "formats/mp2t/ts_section_pes.h",
+        "formats/mp2t/ts_section_pmt.cc",
+        "formats/mp2t/ts_section_pmt.h",
+        "formats/mp2t/ts_section_psi.cc",
+        "formats/mp2t/ts_section_psi.h",
+      ]
+    }
   }
 
   if (use_low_memory_buffer) {
     sources += [
       "filters/source_buffer_platform.h",
       "filters/source_buffer_platform_lowmem.cc",
     ]
   } else {
     sources += [
       "filters/source_buffer_platform.cc",
       "filters/source_buffer_platform.h",
     ]
   }
 
   public_deps = [
+    ":media_features",
     ":shared_memory_support",
     "//media/audio",
     "//media/base",
     "//third_party/opus",
   ]
 
   deps += [
     "//base",
     "//base:i18n",
     "//base/third_party/dynamic_annotations",
@@ skipping 176 matching lines @@
   if (current_cpu != "arm" && is_chromeos) {
     sources += [ "filters/h264_bitstream_buffer_unittest.cc" ]
   }
 
   if (proprietary_codecs) {
     sources += [
       "cdm/cenc_utils_unittest.cc",
       "filters/h264_to_annex_b_bitstream_converter_unittest.cc",
       "formats/common/stream_parser_test_base.cc",
       "formats/common/stream_parser_test_base.h",
-      "formats/mp2t/es_adapter_video_unittest.cc",
-      "formats/mp2t/es_parser_adts_unittest.cc",
-      "formats/mp2t/es_parser_h264_unittest.cc",
-      "formats/mp2t/es_parser_mpeg1audio_unittest.cc",
-      "formats/mp2t/es_parser_test_base.cc",
-      "formats/mp2t/es_parser_test_base.h",
-      "formats/mp2t/mp2t_stream_parser_unittest.cc",
-      "formats/mp2t/timestamp_unroller_unittest.cc",
       "formats/mp4/aac_unittest.cc",
       "formats/mp4/avc_unittest.cc",
       "formats/mp4/box_reader_unittest.cc",
       "formats/mp4/es_descriptor_unittest.cc",
       "formats/mp4/mp4_stream_parser_unittest.cc",
       "formats/mp4/sample_to_group_iterator_unittest.cc",
       "formats/mp4/track_run_iterator_unittest.cc",
       "formats/mpeg/adts_stream_parser_unittest.cc",
       "formats/mpeg/mpeg1_audio_stream_parser_unittest.cc",
     ]
+    if (enable_mse_mpeg2ts_stream_parser) {
+      sources += [
+        "formats/mp2t/es_adapter_video_unittest.cc",
+        "formats/mp2t/es_parser_adts_unittest.cc",
+        "formats/mp2t/es_parser_h264_unittest.cc",
+        "formats/mp2t/es_parser_mpeg1audio_unittest.cc",
+        "formats/mp2t/es_parser_test_base.cc",
+        "formats/mp2t/es_parser_test_base.h",
+        "formats/mp2t/mp2t_stream_parser_unittest.cc",
+        "formats/mp2t/timestamp_unroller_unittest.cc",
+      ]
+    }
     if (media_use_ffmpeg) {
       sources += [
         "filters/ffmpeg_aac_bitstream_converter_unittest.cc",
         "filters/ffmpeg_h264_to_annex_b_bitstream_converter_unittest.cc",
       ]
     }
     if (enable_hevc_demuxing) {
       sources += [ "filters/h265_parser_unittest.cc" ]
     }
   }
@@ skipping 133 matching lines @@
       "//media/base:test_support",
       "//media/test:pipeline_integration_tests",
       "//testing/gmock",
       "//testing/gtest",
       "//third_party/ffmpeg",
       "//ui/gfx:test_support",
       "//ui/gfx/geometry",
     ]
   }
 }