|  | /* | 
|  | *  Copyright (c) 2018 The WebRTC project authors. All Rights Reserved. | 
|  | * | 
|  | *  Use of this source code is governed by a BSD-style license | 
|  | *  that can be found in the LICENSE file in the root of the source | 
|  | *  tree. An additional intellectual property rights grant can be found | 
|  | *  in the file PATENTS.  All contributing project authors may | 
|  | *  be found in the AUTHORS file in the root of the source tree. | 
|  | */ | 
|  |  | 
|  | #include "api/video_codecs/video_decoder.h" | 
|  |  | 
|  | namespace webrtc { | 
|  |  | 
|  | int32_t DecodedImageCallback::Decoded(VideoFrame& decodedImage, | 
|  | int64_t decode_time_ms) { | 
|  | // The default implementation ignores custom decode time value. | 
|  | return Decoded(decodedImage); | 
|  | } | 
|  |  | 
|  | void DecodedImageCallback::Decoded(VideoFrame& decodedImage, | 
|  | absl::optional<int32_t> decode_time_ms, | 
|  | absl::optional<uint8_t> qp) { | 
|  | Decoded(decodedImage, decode_time_ms.value_or(-1)); | 
|  | } | 
|  |  | 
|  | int32_t DecodedImageCallback::ReceivedDecodedReferenceFrame( | 
|  | const uint64_t pictureId) { | 
|  | return -1; | 
|  | } | 
|  |  | 
|  | int32_t DecodedImageCallback::ReceivedDecodedFrame(const uint64_t pictureId) { | 
|  | return -1; | 
|  | } | 
|  |  | 
|  | bool VideoDecoder::PrefersLateDecoding() const { | 
|  | return true; | 
|  | } | 
|  |  | 
|  | const char* VideoDecoder::ImplementationName() const { | 
|  | return "unknown"; | 
|  | } | 
|  |  | 
|  | }  // namespace webrtc |