Convert USE_PROPRIETARY_CODECS to a buildflag header.

media/base/key_systems.cc

 // Copyright 2013 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.
 
 #include "media/base/key_systems.h"
 
 #include <stddef.h>
 
 #include <memory>
 
 #include "base/containers/hash_tables.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/strings/string_util.h"
 #include "base/threading/thread_checker.h"
 #include "base/time/time.h"
 #include "build/build_config.h"
 #include "media/base/key_system_names.h"
 #include "media/base/key_system_properties.h"
 #include "media/base/media.h"
 #include "media/base/media_switches.h"
 #include "ppapi/features/features.h"
 #include "media/base/media_client.h"
+#include "media/media_features.h"
 #include "third_party/widevine/cdm/widevine_cdm_common.h"
 
 namespace media {
 
 const char kClearKeyKeySystem[] = "org.w3.clearkey";
 
 // These names are used by UMA. Do not change them!
 const char kClearKeyKeySystemNameForUMA[] = "ClearKey";
 const char kUnknownKeySystemNameForUMA[] = "Unknown";
 
 struct NamedCodec {
   const char* name;
   EmeCodec type;
 };
 
 // Mapping between containers and their codecs.
 // Only audio codecs can belong to a "audio/*" mime_type, and only video codecs
 // can belong to a "video/*" mime_type.
 static const NamedCodec kMimeTypeToCodecMasks[] = {
     {"audio/webm", EME_CODEC_WEBM_AUDIO_ALL},
     {"video/webm", EME_CODEC_WEBM_VIDEO_ALL},
-#if defined(USE_PROPRIETARY_CODECS)
+#if BUILDFLAG(USE_PROPRIETARY_CODECS)
     {"audio/mp4", EME_CODEC_MP4_AUDIO_ALL},
     {"video/mp4", EME_CODEC_MP4_VIDEO_ALL}
-#endif  // defined(USE_PROPRIETARY_CODECS)
+#endif  // BUILDFLAG(USE_PROPRIETARY_CODECS)
 };
 
 // Mapping between codec names and enum values.
 static const NamedCodec kCodecStrings[] = {
     {"opus", EME_CODEC_WEBM_OPUS},      // Opus.
     {"vorbis", EME_CODEC_WEBM_VORBIS},  // Vorbis.
     {"vp8", EME_CODEC_WEBM_VP8},        // VP8.
     {"vp8.0", EME_CODEC_WEBM_VP8},      // VP8.
     {"vp9", EME_CODEC_WEBM_VP9},        // VP9.
     {"vp9.0", EME_CODEC_WEBM_VP9},      // VP9.
-#if defined(USE_PROPRIETARY_CODECS)
+#if BUILDFLAG(USE_PROPRIETARY_CODECS)
     {"vp09", EME_CODEC_MP4_VP9},   // VP9 in MP4.
     {"mp4a", EME_CODEC_MP4_AAC},   // AAC.
     {"avc1", EME_CODEC_MP4_AVC1},  // AVC1.
     {"avc3", EME_CODEC_MP4_AVC1},  // AVC3.
 #if BUILDFLAG(ENABLE_HEVC_DEMUXING)
     {"hev1", EME_CODEC_MP4_HEVC},  // HEV1.
     {"hvc1", EME_CODEC_MP4_HEVC},  // HVC1.
 #endif
-#endif  // defined(USE_PROPRIETARY_CODECS)
+#endif  // BUILDFLAG(USE_PROPRIETARY_CODECS)
 };
 
 class ClearKeyProperties : public KeySystemProperties {
  public:
   std::string GetKeySystemName() const override { return kClearKeyKeySystem; }
 
   bool IsSupportedInitDataType(EmeInitDataType init_data_type) const override {
-#if defined(USE_PROPRIETARY_CODECS)
+#if BUILDFLAG(USE_PROPRIETARY_CODECS)
     if (init_data_type == EmeInitDataType::CENC)
       return true;
 #endif
     return init_data_type == EmeInitDataType::WEBM ||
            init_data_type == EmeInitDataType::KEYIDS;
   }
 
   SupportedCodecs GetSupportedCodecs() const override {
     // On Android, Vorbis, VP8, AAC and AVC1 are supported in MediaCodec:
     // http://developer.android.com/guide/appendix/media-formats.html
     // VP9 support is device dependent.
     SupportedCodecs codecs = EME_CODEC_WEBM_ALL;
 
-#if defined(USE_PROPRIETARY_CODECS)
+#if BUILDFLAG(USE_PROPRIETARY_CODECS)
     codecs |= EME_CODEC_MP4_ALL;
-#endif  // defined(USE_PROPRIETARY_CODECS)
+#endif  // BUILDFLAG(USE_PROPRIETARY_CODECS)
 
     return codecs;
   }
 
   EmeConfigRule GetRobustnessConfigRule(
       EmeMediaType media_type,
       const std::string& requested_robustness) const override {
     return requested_robustness.empty() ? EmeConfigRule::SUPPORTED
                                         : EmeConfigRule::NOT_SUPPORTED;
   }
@@ skipping 631 matching lines @@
                                uint32_t mask) {
   KeySystemsImpl::GetInstance()->AddCodecMask(media_type, codec, mask);
 }
 
 MEDIA_EXPORT void AddMimeTypeCodecMask(const std::string& mime_type,
                                        uint32_t mask) {
   KeySystemsImpl::GetInstance()->AddMimeTypeCodecMask(mime_type, mask);
 }
 
 }  // namespace media