1 /* 2 * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef API_VIDEO_CODECS_VIDEO_DECODER_FACTORY_H_ 12 #define API_VIDEO_CODECS_VIDEO_DECODER_FACTORY_H_ 13 14 #include <memory> 15 #include <string> 16 #include <vector> 17 18 #include "rtc_base/system/rtc_export.h" 19 20 namespace webrtc { 21 22 class VideoDecoder; 23 struct SdpVideoFormat; 24 25 // A factory that creates VideoDecoders. 26 // NOTE: This class is still under development and may change without notice. 27 class RTC_EXPORT VideoDecoderFactory { 28 public: 29 // Returns a list of supported video formats in order of preference, to use 30 // for signaling etc. 31 virtual std::vector<SdpVideoFormat> GetSupportedFormats() const = 0; 32 33 // Creates a VideoDecoder for the specified format. 34 virtual std::unique_ptr<VideoDecoder> CreateVideoDecoder( 35 const SdpVideoFormat& format) = 0; 36 37 // Note: Do not call or override this method! This method is a legacy 38 // workaround and is scheduled for removal without notice. 39 virtual std::unique_ptr<VideoDecoder> LegacyCreateVideoDecoder( 40 const SdpVideoFormat& format, 41 const std::string& receive_stream_id); 42 ~VideoDecoderFactory()43 virtual ~VideoDecoderFactory() {} 44 }; 45 46 } // namespace webrtc 47 48 #endif // API_VIDEO_CODECS_VIDEO_DECODER_FACTORY_H_ 49