Files
platform-external-webrtc/api/video/video_stream_encoder_settings.h
philipel e8ed83003d WebRtcVideoChannel encoder fallback.
In this CL:
 - Added WEBRTC_VIDEO_CODEC_ENCODER_FAILURE return code that can
   be returned by the encoder wrapper in case of a broken encoder.
 - Added EncoderFailureCallback interface that can be called
   to request encoder fallback to be performed. Implemented by
   WebRtcVideoChannel and called from the VideoStreamEncoder.
 - Updated SelectSendVideoCodec to select all compatible codecs instead
   of just one.

Bug: webrtc:10795
Change-Id: I87a83fd02e48c40493c930471c06c3d0941031ab
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/140888
Commit-Queue: Philip Eliasson <philipel@webrtc.org>
Reviewed-by: Magnus Jedvert <magjed@webrtc.org>
Reviewed-by: Erik Språng <sprang@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#28462}
2019-07-03 12:31:42 +00:00

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C++

/*
* 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.
*/
#ifndef API_VIDEO_VIDEO_STREAM_ENCODER_SETTINGS_H_
#define API_VIDEO_VIDEO_STREAM_ENCODER_SETTINGS_H_
#include "api/video/video_bitrate_allocator_factory.h"
#include "api/video_codecs/video_encoder.h"
#include "api/video_codecs/video_encoder_factory.h"
namespace webrtc {
class EncoderFailureCallback {
public:
virtual ~EncoderFailureCallback() {}
virtual void OnEncoderFailure() = 0;
};
struct VideoStreamEncoderSettings {
explicit VideoStreamEncoderSettings(
const VideoEncoder::Capabilities& capabilities)
: capabilities(capabilities) {}
// Enables the new method to estimate the cpu load from encoding, used for
// cpu adaptation.
bool experiment_cpu_load_estimator = false;
// Ownership stays with WebrtcVideoEngine (delegated from PeerConnection).
VideoEncoderFactory* encoder_factory = nullptr;
// Notifies the WebRtcVideoChannel that the currently used encoder is broken.
EncoderFailureCallback* encoder_failure_callback = nullptr;
// Ownership stays with WebrtcVideoEngine (delegated from PeerConnection).
VideoBitrateAllocatorFactory* bitrate_allocator_factory = nullptr;
// Negotiated capabilities which the VideoEncoder may expect the other
// side to use.
VideoEncoder::Capabilities capabilities;
};
} // namespace webrtc
#endif // API_VIDEO_VIDEO_STREAM_ENCODER_SETTINGS_H_