blob: 04052de08b0a322e87e3d4e338e27a8b73730a8f [file] [log] [blame]
* Copyright (c) 2014 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 <memory>
#include <string>
#include <vector>
#include "api/video/encoded_image.h"
#include "api/video/video_frame.h"
#include "api/video_codecs/video_codec.h"
#include "rtc_base/system/rtc_export.h"
namespace webrtc {
class RTC_EXPORT DecodedImageCallback {
virtual ~DecodedImageCallback() {}
virtual int32_t Decoded(VideoFrame& decodedImage) = 0;
// Provides an alternative interface that allows the decoder to specify the
// decode time excluding waiting time for any previous pending frame to
// return. This is necessary for breaking positive feedback in the delay
// estimation when the decoder has a single output buffer.
virtual int32_t Decoded(VideoFrame& decodedImage, int64_t decode_time_ms);
// TODO(sakal): Remove other implementations when upstream projects have been
// updated.
virtual void Decoded(VideoFrame& decodedImage,
absl::optional<int32_t> decode_time_ms,
absl::optional<uint8_t> qp);
class RTC_EXPORT VideoDecoder {
struct DecoderInfo {
// Descriptive name of the decoder implementation.
std::string implementation_name;
// True if the decoder is backed by hardware acceleration.
bool is_hardware_accelerated = false;
std::string ToString() const;
bool operator==(const DecoderInfo& rhs) const;
bool operator!=(const DecoderInfo& rhs) const { return !(*this == rhs); }
virtual ~VideoDecoder() {}
virtual int32_t InitDecode(const VideoCodec* codec_settings,
int32_t number_of_cores) = 0;
virtual int32_t Decode(const EncodedImage& input_image,
bool missing_frames,
int64_t render_time_ms) = 0;
virtual int32_t RegisterDecodeCompleteCallback(
DecodedImageCallback* callback) = 0;
virtual int32_t Release() = 0;
virtual DecoderInfo GetDecoderInfo() const;
// Deprecated, use GetDecoderInfo().implementation_name instead.
virtual const char* ImplementationName() const;
} // namespace webrtc