blob: f92a33b71efd69acc04f45b0556ff1bb60b32407 [file] [log] [blame]
/*
* Copyright (c) 2019 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 VIDEO_FRAME_ENCODE_TIMER_H_
#define VIDEO_FRAME_ENCODE_TIMER_H_
#include <list>
#include <vector>
#include "absl/types/optional.h"
#include "api/video/encoded_image.h"
#include "api/video_codecs/video_codec.h"
#include "api/video_codecs/video_encoder.h"
#include "rtc_base/critical_section.h"
namespace webrtc {
class FrameEncodeTimer {
public:
explicit FrameEncodeTimer(EncodedImageCallback* frame_drop_callback);
~FrameEncodeTimer();
void OnEncoderInit(const VideoCodec& codec, bool internal_source);
void OnSetRates(const VideoBitrateAllocation& bitrate_allocation,
uint32_t framerate_fps);
void OnEncodeStarted(uint32_t rtp_timestamp, int64_t capture_time_ms);
void FillTimingInfo(size_t simulcast_svc_idx,
EncodedImage* encoded_image,
int64_t encode_done_ms);
void Reset();
private:
size_t NumSpatialLayers() const RTC_EXCLUSIVE_LOCKS_REQUIRED(lock_);
// For non-internal-source encoders, returns encode started time and fixes
// capture timestamp for the frame, if corrupted by the encoder.
absl::optional<int64_t> ExtractEncodeStartTime(size_t simulcast_svc_idx,
EncodedImage* encoded_image)
RTC_EXCLUSIVE_LOCKS_REQUIRED(lock_);
struct EncodeStartTimeRecord {
EncodeStartTimeRecord(uint32_t timestamp,
int64_t capture_time,
int64_t encode_start_time)
: rtp_timestamp(timestamp),
capture_time_ms(capture_time),
encode_start_time_ms(encode_start_time) {}
uint32_t rtp_timestamp;
int64_t capture_time_ms;
int64_t encode_start_time_ms;
};
struct TimingFramesLayerInfo {
TimingFramesLayerInfo();
~TimingFramesLayerInfo();
size_t target_bitrate_bytes_per_sec = 0;
std::list<EncodeStartTimeRecord> encode_start_list;
};
rtc::CriticalSection lock_;
EncodedImageCallback* const frame_drop_callback_;
VideoCodec codec_settings_ RTC_GUARDED_BY(&lock_);
bool internal_source_ RTC_GUARDED_BY(&lock_);
uint32_t framerate_fps_ RTC_GUARDED_BY(&lock_);
// Separate instance for each simulcast stream or spatial layer.
std::vector<TimingFramesLayerInfo> timing_frames_info_ RTC_GUARDED_BY(&lock_);
int64_t last_timing_frame_time_ms_ RTC_GUARDED_BY(&lock_);
size_t incorrect_capture_time_logged_messages_ RTC_GUARDED_BY(&lock_);
size_t reordered_frames_logged_messages_ RTC_GUARDED_BY(&lock_);
size_t stalled_encoder_logged_messages_ RTC_GUARDED_BY(&lock_);
};
} // namespace webrtc
#endif // VIDEO_FRAME_ENCODE_TIMER_H_