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Fixed ELST box in mp4, and use it to fix track desync issues.

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This commit is contained in:
Thulinma 2018-05-16 10:55:46 +02:00
parent ecbb48dbfe
commit 0c41fee7c8
2 changed files with 25 additions and 15 deletions
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28
lib/mp4_generic.cpp
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@ -3197,57 +3197,57 @@ namespace MP4 {
void ELST::setSegmentDuration(uint32_t cnt, uint64_t newVal) {
if (getVersion() == 1) {
setInt64(newVal, 28*cnt+8);
setInt64(newVal, 20*cnt+8);
} else {
setInt32(newVal, 20*cnt+8);
setInt32(newVal, 12*cnt+8);
}
}
uint64_t ELST::getSegmentDuration(uint32_t cnt) {
if (getVersion() == 1) {
return getInt64(28*cnt+8);
return getInt64(20*cnt+8);
} else {
return getInt32(20*cnt+8);
return getInt32(12*cnt+8);
}
}
void ELST::setMediaTime(uint32_t cnt, uint64_t newVal) {
if (getVersion() == 1) {
setInt64(newVal, 28*cnt+16);
setInt64(newVal, 20*cnt+16);
} else {
setInt32(newVal, 20*cnt+12);
setInt32(newVal, 12*cnt+12);
}
}
uint64_t ELST::getMediaTime(uint32_t cnt) {
if (getVersion() == 1) {
return getInt64(28*cnt+16);
return getInt64(20*cnt+16);
} else {
return getInt32(20*cnt+12);
return getInt32(12*cnt+12);
}
}
void ELST::setMediaRateInteger(uint32_t cnt, uint16_t newVal) {
if (getVersion() == 1) {
setInt16(newVal, 28*cnt+24);
setInt16(newVal, 20*cnt+24);
} else {
setInt16(newVal, 20*cnt+16);
setInt16(newVal, 12*cnt+16);
}
}
uint16_t ELST::getMediaRateInteger(uint32_t cnt) {
if (getVersion() == 1) {
return getInt16(28*cnt+24);
return getInt16(20*cnt+24);
} else {
return getInt16(20*cnt+16);
return getInt16(12*cnt+16);
}
}
void ELST::setMediaRateFraction(uint32_t cnt, uint16_t newVal) {
if (getVersion() == 1) {
setInt16(newVal, 28*cnt+26);
setInt16(newVal, 20*cnt+26);
} else {
setInt16(newVal, 20*cnt+18);
setInt16(newVal, 12*cnt+18);
}
}