EME contentType checks for AC3/EAC3

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>
 
@@ skipping 41 matching lines @@
 // 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.
     {"vp09", EME_CODEC_COMMON_VP9},     // New multi-part VP9 for WebM and MP4.
 #if BUILDFLAG(USE_PROPRIETARY_CODECS)
-    {"mp4a", EME_CODEC_MP4_AAC},   // AAC.
+    {"mp4a", EME_CODEC_MP4_AAC},  // AAC.
+#if BUILDFLAG(ENABLE_AC3_EAC3_AUDIO_DEMUXING)
+    {"ac-3", EME_CODEC_MP4_AC3},   // AC3.
+    {"ec-3", EME_CODEC_MP4_EAC3},  // EAC3.
+#endif
     {"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
 #if BUILDFLAG(ENABLE_DOLBY_VISION_DEMUXING)
     {"dva1", EME_CODEC_MP4_DV_AVC},  // DolbyVision AVC
     {"dvav", EME_CODEC_MP4_DV_AVC},  // DolbyVision AVC
 #if BUILDFLAG(ENABLE_HEVC_DEMUXING)
@@ skipping 658 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