| // Copyright 2018 Google Inc. 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. |
| |
| // This file implements the FFMPEGDispatch interface with dynamic loading of |
| // the libraries. |
| |
| #include "starboard/shared/ffmpeg/ffmpeg_dispatch.h" |
| |
| #include "starboard/mutex.h" |
| #include "starboard/once.h" |
| |
| namespace starboard { |
| namespace shared { |
| namespace ffmpeg { |
| |
| namespace { |
| SbMutex g_codec_mutex = SB_MUTEX_INITIALIZER; |
| } // namespace |
| |
| int FFMPEGDispatch::OpenCodec(AVCodecContext* codec_context, |
| const AVCodec* codec) { |
| SbMutexAcquire(&g_codec_mutex); |
| int result = avcodec_open2(codec_context, codec, NULL); |
| SbMutexRelease(&g_codec_mutex); |
| return result; |
| } |
| |
| void FFMPEGDispatch::CloseCodec(AVCodecContext* codec_context) { |
| SbMutexAcquire(&g_codec_mutex); |
| avcodec_close(codec_context); |
| SbMutexRelease(&g_codec_mutex); |
| } |
| |
| } // namespace ffmpeg |
| } // namespace shared |
| } // namespace starboard |