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/*
* Copyright (c) 2016 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 MODULES_VIDEO_CODING_INCLUDE_VIDEO_CODEC_INITIALIZER_H_
#define MODULES_VIDEO_CODING_INCLUDE_VIDEO_CODEC_INITIALIZER_H_
#include <memory>
#include <string>
#include <vector>
#include "api/video_codecs/video_encoder_config.h"
namespace webrtc {
class VideoBitrateAllocator;
class VideoCodec;
class VideoCodecInitializer {
public:
// Takes a VideoEncoderConfig and the VideoStream configuration and
// translates them into the old school VideoCodec type.
// It also creates a VideoBitrateAllocator instance, suitable for the codec
// type used. For instance, VP8 will create an allocator than can handle
// simulcast and temporal layering.
// GetBitrateAllocator is called implicitly from here, no need to call again.
static bool SetupCodec(
const VideoEncoderConfig& config,
const std::vector<VideoStream>& streams,
VideoCodec* codec,
std::unique_ptr<VideoBitrateAllocator>* bitrate_allocator);
// Create a bitrate allocator for the specified codec.
static std::unique_ptr<VideoBitrateAllocator> CreateBitrateAllocator(
const VideoCodec& codec);
private:
static VideoCodec VideoEncoderConfigToVideoCodec(
const VideoEncoderConfig& config,
const std::vector<VideoStream>& streams);
};
} // namespace webrtc
#endif // MODULES_VIDEO_CODING_INCLUDE_VIDEO_CODEC_INITIALIZER_H_