79 lines
2.6 KiB
C
79 lines
2.6 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2012 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_MEDIA_OPTIMIZATION_H_
|
||
|
|
#define MODULES_VIDEO_CODING_MEDIA_OPTIMIZATION_H_
|
||
|
|
|
||
|
|
#include <memory>
|
||
|
|
|
||
|
|
#include "modules/include/module_common_types.h"
|
||
|
|
#include "modules/video_coding/include/video_coding.h"
|
||
|
|
#include "modules/video_coding/media_opt_util.h"
|
||
|
|
#include "modules/video_coding/utility/frame_dropper.h"
|
||
|
|
#include "rtc_base/criticalsection.h"
|
||
|
|
|
||
|
|
namespace webrtc {
|
||
|
|
|
||
|
|
class Clock;
|
||
|
|
|
||
|
|
namespace media_optimization {
|
||
|
|
|
||
|
|
class MediaOptimization {
|
||
|
|
public:
|
||
|
|
explicit MediaOptimization(Clock* clock);
|
||
|
|
~MediaOptimization();
|
||
|
|
|
||
|
|
// Informs media optimization of initial encoding state.
|
||
|
|
// TODO(perkj): Deprecate SetEncodingData once its not used for stats in
|
||
|
|
// VideoStreamEncoder.
|
||
|
|
void SetEncodingData(int32_t max_bit_rate,
|
||
|
|
uint32_t bit_rate,
|
||
|
|
uint32_t max_frame_rate);
|
||
|
|
|
||
|
|
// Sets target rates for the encoder given the channel parameters.
|
||
|
|
// Input: |target bitrate| - the encoder target bitrate in bits/s.
|
||
|
|
uint32_t SetTargetRates(uint32_t target_bitrate);
|
||
|
|
|
||
|
|
void EnableFrameDropper(bool enable);
|
||
|
|
bool DropFrame();
|
||
|
|
|
||
|
|
// Informs Media Optimization of encoded output.
|
||
|
|
// TODO(perkj): Deprecate SetEncodingData once its not used for stats in
|
||
|
|
// VideoStreamEncoder.
|
||
|
|
void UpdateWithEncodedData(const size_t encoded_image_length,
|
||
|
|
const FrameType encoded_image_frametype);
|
||
|
|
|
||
|
|
// InputFrameRate 0 = no frame rate estimate available.
|
||
|
|
uint32_t InputFrameRate();
|
||
|
|
|
||
|
|
private:
|
||
|
|
enum { kFrameCountHistorySize = 90 };
|
||
|
|
|
||
|
|
void UpdateIncomingFrameRate() RTC_EXCLUSIVE_LOCKS_REQUIRED(crit_sect_);
|
||
|
|
void ProcessIncomingFrameRate(int64_t now)
|
||
|
|
RTC_EXCLUSIVE_LOCKS_REQUIRED(crit_sect_);
|
||
|
|
uint32_t InputFrameRateInternal() RTC_EXCLUSIVE_LOCKS_REQUIRED(crit_sect_);
|
||
|
|
|
||
|
|
// Protect all members.
|
||
|
|
rtc::CriticalSection crit_sect_;
|
||
|
|
|
||
|
|
Clock* const clock_ RTC_GUARDED_BY(crit_sect_);
|
||
|
|
int32_t max_bit_rate_ RTC_GUARDED_BY(crit_sect_);
|
||
|
|
float max_frame_rate_ RTC_GUARDED_BY(crit_sect_);
|
||
|
|
FrameDropper frame_dropper_ RTC_GUARDED_BY(crit_sect_);
|
||
|
|
float incoming_frame_rate_ RTC_GUARDED_BY(crit_sect_);
|
||
|
|
int64_t incoming_frame_times_[kFrameCountHistorySize] RTC_GUARDED_BY(
|
||
|
|
crit_sect_);
|
||
|
|
};
|
||
|
|
} // namespace media_optimization
|
||
|
|
} // namespace webrtc
|
||
|
|
|
||
|
|
#endif // MODULES_VIDEO_CODING_MEDIA_OPTIMIZATION_H_
|