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优化hls卡顿现象

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This commit is contained in:
xiongziliang
2018-03-28 15:56:47 +08:00
parent f2e82fc2cc
commit 730db98ad8
3 changed files with 18 additions and 13 deletions
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21
src/MediaFile/HLSMaker.cpp
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@@ -128,9 +128,15 @@ bool HLSMaker::write_index_file(int iFirstSegment, unsigned int uiLastSegment, i
}
void HLSMaker::inputH264(void *data, uint32_t length, uint32_t timeStamp, int type) {
if(m_ui32LastStamp == 0){
m_ui32LastStamp = timeStamp;
}
int stampInc = timeStamp - m_ui32LastStamp;
switch (type) {
case 7: //SPS
if (m_Timer.elapsedTime() >= m_ui32SegmentDuration * 1000) {
if (stampInc >= m_ui32SegmentDuration * 1000) {
m_ui32LastStamp = timeStamp;
//关闭文件
m_ts.clear();
auto strTmpFileName = StrPrinter << m_strOutputPrefix << '-' << (++m_ui64TsCnt) << ".ts" << endl;
@@ -139,8 +145,7 @@ void HLSMaker::inputH264(void *data, uint32_t length, uint32_t timeStamp, int ty
return;
}
//记录切片时间
m_iDurations.push_back(m_Timer.elapsedTime());
m_Timer.resetTime();
m_iDurations.push_back(stampInc);
if(removets()){
//删除老的时间戳
m_iDurations.pop_front();
@@ -149,10 +154,10 @@ void HLSMaker::inputH264(void *data, uint32_t length, uint32_t timeStamp, int ty
}
case 1: //P
//insert aud frame before p and SPS frame
m_ts.inputH264("\x0\x0\x0\x1\x9\xf0", 6, timeStamp);
m_ts.inputH264("\x0\x0\x0\x1\x9\xf0", 6, timeStamp * 90);
case 5: //IDR
case 8: //PPS
m_ts.inputH264((char *) data, length, timeStamp);
m_ts.inputH264((char *) data, length, timeStamp * 90);
break;
default:
break;
@@ -160,15 +165,15 @@ void HLSMaker::inputH264(void *data, uint32_t length, uint32_t timeStamp, int ty
}
void HLSMaker::inputAAC(void *data, uint32_t length, uint32_t timeStamp) {
m_ts.inputAAC((char *) data, length, timeStamp);
m_ts.inputAAC((char *) data, length, timeStamp * 90);
}
bool HLSMaker::removets() {
if (m_ui64TsCnt <= m_ui32NumSegments) {
if (m_ui64TsCnt < m_ui32NumSegments + 2) {
return false;
}
File::delete_file((StrPrinter << m_strOutputPrefix << "-"
<< m_ui64TsCnt - m_ui32NumSegments - 1
<< m_ui64TsCnt - m_ui32NumSegments - 2
<< ".ts" << endl).data());
return true;
}