| // Copyright 2018 The Cobalt Authors. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "starboard/shared/starboard/media/media_support_internal.h" |
| |
| #include "starboard/configuration.h" |
| #include "starboard/configuration_constants.h" |
| #include "starboard/media.h" |
| #include "starboard/shared/uwp/wasapi_audio.h" |
| |
| using ::starboard::shared::starboard::media::MimeType; |
| using ::starboard::shared::uwp::WASAPIAudioDevice; |
| |
| bool SbMediaIsAudioSupported(SbMediaAudioCodec audio_codec, |
| const MimeType* mime_type, |
| int64_t bitrate) { |
| if (audio_codec != kSbMediaAudioCodecAac && |
| audio_codec != kSbMediaAudioCodecOpus && |
| audio_codec != kSbMediaAudioCodecAc3 && |
| audio_codec != kSbMediaAudioCodecEac3) { |
| return false; |
| } |
| |
| if (audio_codec == kSbMediaAudioCodecAc3 || |
| audio_codec == kSbMediaAudioCodecEac3) { |
| if (!(WASAPIAudioDevice::GetPassthroughSupportOfDefaultAudioRenderer( |
| audio_codec))) { |
| return false; |
| } |
| } |
| |
| int64_t local_bitrate = |
| WASAPIAudioDevice::GetCachedBitrateOfDefaultAudioRenderer(); |
| |
| if (local_bitrate <= 0) { |
| local_bitrate = kSbMediaMaxAudioBitrateInBitsPerSecond; |
| } |
| |
| // Here we say : "The app cannot play any encoded audio whose encoded bitrate |
| // exceeds the output bitrate" |
| return bitrate <= local_bitrate; |
| } |