mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-09-10 11:54:40 +00:00
110 lines
3.2 KiB
C
110 lines
3.2 KiB
C
|
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
||
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
||
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
||
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
||
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
||
|
|
||
|
#ifndef FrameStatistics_h_
|
||
|
#define FrameStatistics_h_
|
||
|
|
||
|
namespace mozilla {
|
||
|
|
||
|
// Frame decoding/painting related performance counters.
|
||
|
// Threadsafe.
|
||
|
class FrameStatistics {
|
||
|
public:
|
||
|
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(FrameStatistics);
|
||
|
|
||
|
FrameStatistics() :
|
||
|
mReentrantMonitor("FrameStats"),
|
||
|
mParsedFrames(0),
|
||
|
mDecodedFrames(0),
|
||
|
mPresentedFrames(0),
|
||
|
mDroppedFrames(0),
|
||
|
mCorruptFrames(0) {}
|
||
|
|
||
|
// Returns number of frames which have been parsed from the media.
|
||
|
// Can be called on any thread.
|
||
|
uint32_t GetParsedFrames() {
|
||
|
ReentrantMonitorAutoEnter mon(mReentrantMonitor);
|
||
|
return mParsedFrames;
|
||
|
}
|
||
|
|
||
|
// Returns the number of parsed frames which have been decoded.
|
||
|
// Can be called on any thread.
|
||
|
uint32_t GetDecodedFrames() {
|
||
|
ReentrantMonitorAutoEnter mon(mReentrantMonitor);
|
||
|
return mDecodedFrames;
|
||
|
}
|
||
|
|
||
|
// Returns the number of decoded frames which have been sent to the rendering
|
||
|
// pipeline for painting ("presented").
|
||
|
// Can be called on any thread.
|
||
|
uint32_t GetPresentedFrames() {
|
||
|
ReentrantMonitorAutoEnter mon(mReentrantMonitor);
|
||
|
return mPresentedFrames;
|
||
|
}
|
||
|
|
||
|
// Number of frames that have been skipped because they have missed their
|
||
|
// compoisition deadline.
|
||
|
uint32_t GetDroppedFrames() {
|
||
|
ReentrantMonitorAutoEnter mon(mReentrantMonitor);
|
||
|
return mDroppedFrames + mCorruptFrames;
|
||
|
}
|
||
|
|
||
|
uint32_t GetCorruptedFrames() {
|
||
|
ReentrantMonitorAutoEnter mon(mReentrantMonitor);
|
||
|
return mCorruptFrames;
|
||
|
}
|
||
|
|
||
|
// Increments the parsed and decoded frame counters by the passed in counts.
|
||
|
// Can be called on any thread.
|
||
|
void NotifyDecodedFrames(uint32_t aParsed, uint32_t aDecoded,
|
||
|
uint32_t aDropped) {
|
||
|
if (aParsed == 0 && aDecoded == 0 && aDropped == 0)
|
||
|
return;
|
||
|
ReentrantMonitorAutoEnter mon(mReentrantMonitor);
|
||
|
mParsedFrames += aParsed;
|
||
|
mDecodedFrames += aDecoded;
|
||
|
mDroppedFrames += aDropped;
|
||
|
}
|
||
|
|
||
|
// Increments the presented frame counters.
|
||
|
// Can be called on any thread.
|
||
|
void NotifyPresentedFrame() {
|
||
|
ReentrantMonitorAutoEnter mon(mReentrantMonitor);
|
||
|
++mPresentedFrames;
|
||
|
}
|
||
|
|
||
|
void NotifyCorruptFrame() {
|
||
|
ReentrantMonitorAutoEnter mon(mReentrantMonitor);
|
||
|
++mCorruptFrames;
|
||
|
}
|
||
|
|
||
|
private:
|
||
|
~FrameStatistics() {}
|
||
|
|
||
|
// ReentrantMonitor to protect access of playback statistics.
|
||
|
ReentrantMonitor mReentrantMonitor;
|
||
|
|
||
|
// Number of frames parsed and demuxed from media.
|
||
|
// Access protected by mReentrantMonitor.
|
||
|
uint32_t mParsedFrames;
|
||
|
|
||
|
// Number of parsed frames which were actually decoded.
|
||
|
// Access protected by mReentrantMonitor.
|
||
|
uint32_t mDecodedFrames;
|
||
|
|
||
|
// Number of decoded frames which were actually sent down the rendering
|
||
|
// pipeline to be painted ("presented"). Access protected by mReentrantMonitor.
|
||
|
uint32_t mPresentedFrames;
|
||
|
|
||
|
uint32_t mDroppedFrames;
|
||
|
|
||
|
uint32_t mCorruptFrames;
|
||
|
};
|
||
|
|
||
|
} // namespace mozilla
|
||
|
|
||
|
#endif
|