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修复DTS生成时遇到PTS超过循环的情况

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This commit is contained in:
dexter
2023-01-30 22:17:34 +08:00
parent db6f8de3a7
commit b306f65a7a
10 changed files with 52 additions and 34 deletions
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20
common/dtsestimator.go
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@@ -25,24 +25,28 @@ func (d *DTSEstimator) Clone() *DTSEstimator {
func (d *DTSEstimator) add(pts uint32) {
i := 0
if len(d.cache) >= 4 {
i = len(d.cache) - 3
l := len(d.cache)
if l >= 4 {
l--
// i = l - 3
d.cache = append(d.cache[:0], d.cache[1:]...)[:l]
}
var new_cache []uint32
for ; i < len(d.cache); i = i + 1 {
for ; i < l; i = i + 1 {
if d.cache[i] > pts {
break
}
new_cache = append(new_cache, d.cache[i])
}
new_cache = append(new_cache, pts)
new_cache = append(new_cache, d.cache[i:]...)
d.cache = new_cache
d.cache = append(d.cache, pts)
d.cache = append(d.cache[:i+1], d.cache[i:l]...)
d.cache[i] = pts
}
// Feed provides PTS to the estimator, and returns the estimated DTS.
func (d *DTSEstimator) Feed(pts uint32) uint32 {
if pts < d.prevPTS && d.prevPTS-pts > 0x80000000 {
*d = *NewDTSEstimator()
}
d.add(pts)
dts := pts
if !d.hasB {