| /* |
| * Copyright (c) 2013, The Linux Foundation. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * * Neither the name of The Linux Foundation nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "DashPlayerStats.h" |
| |
| #define NO_MIMETYPE_AVAILABLE "N/A" |
| |
| namespace android { |
| |
| DashPlayerStats::DashPlayerStats() { |
| Mutex::Autolock autoLock(mStatsLock); |
| mMIME = new char[strlen(NO_MIMETYPE_AVAILABLE)+1]; |
| strlcpy(mMIME,NO_MIMETYPE_AVAILABLE, strlen(NO_MIMETYPE_AVAILABLE)+1); |
| mNumVideoFramesDecoded = 0; |
| mNumVideoFramesDropped = 0; |
| mConsecutiveFramesDropped = 0; |
| mCatchupTimeStart = 0; |
| mNumTimesSyncLoss = 0; |
| mMaxEarlyDelta = 0; |
| mMaxLateDelta = 0; |
| mMaxTimeSyncLoss = 0; |
| mTotalFrames = 0; |
| mFirstFrameLatencyStartUs = getTimeOfDayUs(); |
| mLastFrame = 0; |
| mLastFrameUs = 0; |
| mStatisticsFrames = 0; |
| mFPSSumUs = 0; |
| mVeryFirstFrame = true; |
| mSeekPerformed = false; |
| mTotalTime = 0; |
| mFirstFrameTime = 0; |
| mTotalRenderingFrames = 0; |
| mBufferingEvent = false; |
| mFd = -1; |
| mFileOut = NULL; |
| } |
| |
| DashPlayerStats::~DashPlayerStats() { |
| Mutex::Autolock autoLock(mStatsLock); |
| if(mFileOut){ |
| fclose(mFileOut); |
| mFileOut = NULL; |
| } |
| if(mMIME) { |
| delete[] mMIME; |
| mMIME = NULL; |
| } |
| } |
| |
| void DashPlayerStats::setFileDescAndOutputStream(int fd) { |
| Mutex::Autolock autoLock(mStatsLock); |
| mFd = fd; |
| if(mFileOut){ |
| fclose(mFileOut); |
| mFileOut = NULL; |
| } |
| mFileOut = fdopen(dup(fd), "w"); |
| } |
| |
| void DashPlayerStats::setMime(const char* mime) { |
| Mutex::Autolock autoLock(mStatsLock); |
| if(mime != NULL) { |
| int mimeLen = (int)strlen(mime); |
| if(mMIME) { |
| delete[] mMIME; |
| mMIME = NULL; |
| } |
| |
| mMIME = new char[mimeLen+1]; |
| strlcpy(mMIME,mime,mimeLen+1); |
| } |
| } |
| |
| void DashPlayerStats::setVeryFirstFrame(bool /*vff*/) { |
| Mutex::Autolock autoLock(mStatsLock); |
| mVeryFirstFrame = true; |
| } |
| |
| void DashPlayerStats::notifySeek() { |
| Mutex::Autolock autoLock(mStatsLock); |
| mFirstFrameLatencyStartUs = getTimeOfDayUs(); |
| mSeekPerformed = true; |
| } |
| |
| void DashPlayerStats::notifyBufferingEvent() { |
| Mutex::Autolock autoLock(mStatsLock); |
| mBufferingEvent = true; |
| } |
| |
| void DashPlayerStats::incrementTotalFrames() { |
| Mutex::Autolock autoLock(mStatsLock); |
| mTotalFrames++; |
| } |
| |
| void DashPlayerStats::incrementTotalRenderingFrames() { |
| Mutex::Autolock autoLock(mStatsLock); |
| mTotalRenderingFrames++; |
| } |
| |
| void DashPlayerStats::incrementDroppedFrames() { |
| Mutex::Autolock autoLock(mStatsLock); |
| mNumVideoFramesDropped++; |
| } |
| |
| void DashPlayerStats::logStatistics() { |
| if(mFileOut) { |
| Mutex::Autolock autoLock(mStatsLock); |
| fprintf(mFileOut, "=====================================================\n"); |
| fprintf(mFileOut, "Mime Type: %s\n",mMIME); |
| fprintf(mFileOut, "Number of total frames: %llu\n",(unsigned long long)mTotalFrames); |
| fprintf(mFileOut, "Number of frames dropped: %lld\n",(signed long long)mNumVideoFramesDropped); |
| fprintf(mFileOut, "Number of frames rendered: %llu\n",(unsigned long long)mTotalRenderingFrames); |
| fprintf(mFileOut, "Percentage dropped: %.2f\n", |
| mTotalFrames == 0 ? 0.0 : (double)mNumVideoFramesDropped / (double)mTotalFrames); |
| fprintf(mFileOut, "=====================================================\n"); |
| } |
| } |
| |
| void DashPlayerStats::logPause(int64_t positionUs) { |
| if(mFileOut) { |
| fprintf(mFileOut, "=====================================================\n"); |
| fprintf(mFileOut, "Pause position: %lld ms\n",(signed long long)positionUs/1000); |
| fprintf(mFileOut, "=====================================================\n"); |
| } |
| } |
| |
| void DashPlayerStats::logSeek(int64_t seekTimeUs) { |
| if(mFileOut) { |
| Mutex::Autolock autoLock(mStatsLock); |
| fprintf(mFileOut, "=====================================================\n"); |
| fprintf(mFileOut, "Seek position: %lld ms\n",(signed long long)seekTimeUs/1000); |
| fprintf(mFileOut, "Seek latency: %lld ms\n",(signed long long)(getTimeOfDayUs() - mFirstFrameLatencyStartUs)/1000); |
| fprintf(mFileOut, "=====================================================\n"); |
| } |
| } |
| |
| void DashPlayerStats::recordLate(int64_t ts, int64_t clock, int64_t delta, int64_t anchorTime) { |
| Mutex::Autolock autoLock(mStatsLock); |
| mNumVideoFramesDropped++; |
| mConsecutiveFramesDropped++; |
| if (mConsecutiveFramesDropped == 1){ |
| mCatchupTimeStart = (uint32_t)anchorTime; |
| } |
| |
| logLate(ts,clock,delta); |
| } |
| |
| void DashPlayerStats::recordOnTime(int64_t ts, int64_t clock, int64_t delta) { |
| Mutex::Autolock autoLock(mStatsLock); |
| mNumVideoFramesDecoded++; |
| mConsecutiveFramesDropped = 0; |
| logOnTime(ts,clock,delta); |
| } |
| |
| void DashPlayerStats::logSyncLoss() { |
| if(mFileOut) { |
| Mutex::Autolock autoLock(mStatsLock); |
| fprintf(mFileOut, "=====================================================\n"); |
| fprintf(mFileOut, "Number of times AV Sync Losses = %u\n", mNumTimesSyncLoss); |
| fprintf(mFileOut, "Max Video Ahead time delta = %lld\n", (signed long long)-mMaxEarlyDelta/1000); |
| fprintf(mFileOut, "Max Video Behind time delta = %lld\n", (signed long long)mMaxLateDelta/1000); |
| fprintf(mFileOut, "Max Time sync loss = %lld\n",(signed long long)mMaxTimeSyncLoss/1000); |
| fprintf(mFileOut, "=====================================================\n"); |
| } |
| } |
| |
| void DashPlayerStats::logFps() { |
| if (mFileOut) { |
| Mutex::Autolock autoLock(mStatsLock); |
| int64_t now = getTimeOfDayUs(); |
| |
| if(mTotalRenderingFrames < 2){ |
| mLastFrameUs = now; |
| mFirstFrameTime = now; |
| } |
| |
| mTotalTime = now - mFirstFrameTime; |
| int64_t diff = now - mLastFrameUs; |
| if (diff > 250000 && !mVeryFirstFrame && !mBufferingEvent) { |
| double fps =((double)(mTotalRenderingFrames - mLastFrame) * 1E6)/(double)diff; |
| if (mStatisticsFrames == 0) { |
| fps =((double)(mTotalRenderingFrames - mLastFrame - 1) * 1E6)/(double)diff; |
| } |
| fprintf(mFileOut, "Frames per second: %.4f, Duration of measurement: %lld\n", fps,(signed long long)diff); |
| mFPSSumUs += fps; |
| ++mStatisticsFrames; |
| mLastFrameUs = now; |
| mLastFrame = mTotalRenderingFrames; |
| } |
| |
| if(mSeekPerformed) { |
| mVeryFirstFrame = false; |
| mSeekPerformed = false; |
| } else if(mVeryFirstFrame) { |
| logFirstFrame(); |
| fprintf(mFileOut, "setting first frame time\n"); |
| mLastFrameUs = now; |
| } else if(mBufferingEvent) { |
| mLastFrameUs = now; |
| mLastFrame = mTotalRenderingFrames; |
| } |
| mBufferingEvent = false; |
| } |
| } |
| |
| void DashPlayerStats::logFpsSummary() { |
| if (mFileOut) { |
| logStatistics(); |
| logSyncLoss(); |
| { |
| Mutex::Autolock autoLock(mStatsLock); |
| fprintf(mFileOut, "=========================================================\n"); |
| fprintf(mFileOut, "Average Frames Per Second: %.4f\n", mFPSSumUs/((double)mStatisticsFrames)); |
| fprintf(mFileOut, "Total Frames (rendered) / Total Time: %.4f\n", ((double)(mTotalRenderingFrames-1)*1E6)/((double)mTotalTime)); |
| fprintf(mFileOut, "========================================================\n"); |
| } |
| } |
| } |
| |
| int64_t DashPlayerStats::getTimeOfDayUs() { |
| struct timeval tv; |
| gettimeofday(&tv, NULL); |
| return (int64_t)tv.tv_sec * 1000000 + tv.tv_usec; |
| } |
| |
| // WARNING: Most private functions are only thread-safe within mStatsLock |
| inline void DashPlayerStats::logFirstFrame() { |
| fprintf(mFileOut, "=====================================================\n"); |
| fprintf(mFileOut, "First frame latency: %lld ms\n",(signed long long)(getTimeOfDayUs()-mFirstFrameLatencyStartUs)/1000); |
| fprintf(mFileOut, "=====================================================\n"); |
| mVeryFirstFrame = false; |
| } |
| |
| inline void DashPlayerStats::logCatchUp(int64_t ts, int64_t clock, int64_t /*delta*/) { |
| if (mConsecutiveFramesDropped > 0) { |
| mNumTimesSyncLoss++; |
| if (mMaxTimeSyncLoss < (clock - mCatchupTimeStart) && clock > 0 && ts > 0) { |
| mMaxTimeSyncLoss = clock - mCatchupTimeStart; |
| } |
| } |
| } |
| |
| inline void DashPlayerStats::logLate(int64_t ts, int64_t clock, int64_t delta) { |
| if (mMaxLateDelta < delta && clock > 0 && ts > 0) { |
| mMaxLateDelta = delta; |
| } |
| } |
| |
| inline void DashPlayerStats::logOnTime(int64_t ts, int64_t clock, int64_t delta) { |
| bool needLogLate = false; |
| logCatchUp(ts, clock, delta); |
| if (delta <= 0) { |
| if ((-delta) > (-mMaxEarlyDelta) && clock > 0 && ts > 0) { |
| mMaxEarlyDelta = delta; |
| } |
| } |
| else { |
| needLogLate = true; |
| } |
| |
| if(needLogLate) logLate(ts, clock, delta); |
| } |
| |
| } // namespace android |