func (m *Muxer) routine() {
vFrame := C.alloc_video_frame(m.videoStream.stream.codec)
if vFrame == (*C.AVFrame)(null) {
m.done <- true
return
}
aFrame := C.alloc_audio_frame(m.audioStream.stream.codec)
if aFrame == (*C.AVFrame)(null) {
m.done <- true
return
}
for m.loop {
if C.av_compare_ts(C.int64_t(m.videoStream.ts), m.videoStream.stream.codec.time_base,
C.int64_t(m.audioStream.ts), m.audioStream.stream.codec.time_base) <= 0 {
m.writeVideoFrame(vFrame)
} else {
m.writeAudioFrame(aFrame)
}
time.Sleep(time.Millisecond * 30)
}
if vFrame != (*C.AVFrame)(null) {
C.av_frame_free(&vFrame)
}
if aFrame != (*C.AVFrame)(null) {
C.av_frame_free(&aFrame)
}
m.done <- true
}
func (time *Timestamp) Lower(ts Timestamp) bool {
return C.av_compare_ts(_Ctypedef_int64_t(time.Time), *time.Timebase.GetAVRational(), _Ctypedef_int64_t(ts.Time), *ts.Timebase.GetAVRational()) == -1
}
func CompareTimeStamp(aTimestamp int, aTimebase AVRational, bTimestamp int, bTimebase AVRational) int {
return int(C.av_compare_ts(C.int64_t(aTimestamp), C.struct_AVRational(aTimebase),
C.int64_t(bTimestamp), C.struct_AVRational(bTimebase)))
}
func av_compare_ts(leftts int64, leftbase Rational, rightts int64, rightbase Rational) int {
var a C.AVRational = C.AVRational{C.int(leftbase.Num), C.int(leftbase.Den)}
var b C.AVRational = C.AVRational{C.int(rightbase.Num), C.int(rightbase.Den)}
return int(C.av_compare_ts(C.int64_t(leftts), a, C.int64_t(rightts), b))
}