public static int probe(MemoryStream b)
{
long marker = 0xffffffff;
int score = 0;
bool inVideoPes = false, hasHeader = false, slicesStarted = false;
while (b.hasRemaining())
{
int code = b.get() & 0xff;
marker = (marker << 8) | code;
if (marker < 0x100 || marker > 0x1ff)
{
continue;
}
if (MPSUtils.videoMarker(marker))
{
if (inVideoPes)
{
break;
}
else
{
inVideoPes = true;
}
}
else if (marker >= 0x1B0 && marker <= 0x1B8 && inVideoPes)
{
if ((hasHeader && marker != 0x1B5 && marker != 0x1B2) || slicesStarted)
{
break;
}
score += 5;
}
else if (marker == 0x100 && inVideoPes)
{
if (slicesStarted)
{
break;
}
hasHeader = true;
}
else if (marker > 0x100 && marker < 0x1B0)
{
if (!hasHeader)
{
break;
}
if (!slicesStarted)
{
score += 50;
slicesStarted = true;
}
score += 1;
}
}
return(score);
}
public PESPacket nextPacket(MemoryStream outb)
{
MemoryStream dup = outb.duplicate();
while (!MPSUtils.psMarker(curMarker))
{
if (!skipToMarker())
{
return(null);
}
}
MemoryStream fork = dup.duplicate();
readToNextMarker(dup);
PESPacket pkt = MPSUtils.readPESHeader(fork, curPos());
if (pkt.length == 0)
{
while (!MPSUtils.psMarker(curMarker) && readToNextMarker(dup))
{
;
}
}
else
{
read(dup, pkt.length - dup.position() + 6);
}
fork.limit(dup.position());
pkt.data = fork;
return(pkt);
}
public List <MPEGDemuxerTrack> getAudioTracks()
{
List <MPEGDemuxerTrack> result = new List <MPEGDemuxerTrack>();
foreach (BaseTrack p in streams.Values)
{
if (MPSUtils.audioStream(p.streamId))
{
result.Add(p);
}
}
return(result);
}
public override DemuxerTrackMeta getMeta()
{
return(new DemuxerTrackMeta(MPSUtils.videoStream(streamId) ? DemuxerTrackMeta.Type.VIDEO : (MPSUtils.audioStream(streamId) ? DemuxerTrackMeta.Type.AUDIO : DemuxerTrackMeta.Type.OTHER), null,
0, 0, null));
}
