1 /* 2 * Copyright (c) 2018 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_VIDEO_STREAM_DECODER_H_ 12 #define API_VIDEO_VIDEO_STREAM_DECODER_H_ 13 14 #include <map> 15 #include <memory> 16 #include <utility> 17 18 #include "api/units/time_delta.h" 19 #include "api/video/encoded_frame.h" 20 #include "api/video/video_frame.h" 21 #include "api/video_codecs/sdp_video_format.h" 22 #include "api/video_codecs/video_decoder_factory.h" 23 24 namespace webrtc { 25 // NOTE: This class is still under development and may change without notice. 26 class VideoStreamDecoderInterface { 27 public: 28 class Callbacks { 29 public: 30 virtual ~Callbacks() = default; 31 32 // Called when the VideoStreamDecoder enters a non-decodable state. 33 virtual void OnNonDecodableState() = 0; 34 35 // Called with the last continuous frame. 36 virtual void OnContinuousUntil( 37 const video_coding::VideoLayerFrameId& key) = 0; 38 39 // Called with the decoded frame. 40 virtual void OnDecodedFrame(VideoFrame decodedImage, 41 absl::optional<int> decode_time_ms, 42 absl::optional<int> qp) = 0; 43 }; 44 45 virtual ~VideoStreamDecoderInterface() = default; 46 47 virtual void OnFrame(std::unique_ptr<video_coding::EncodedFrame> frame) = 0; 48 49 virtual void SetMinPlayoutDelay(TimeDelta min_delay) = 0; 50 virtual void SetMaxPlayoutDelay(TimeDelta max_delay) = 0; 51 }; 52 53 } // namespace webrtc 54 55 #endif // API_VIDEO_VIDEO_STREAM_DECODER_H_ 56