private void DownloadThreadAlt(Media media)
{
lock (waitLockAlt) {
while (true)
{
if (workersActiveAlt.Count >= maxThreads)
{
Monitor.Wait(waitLockAlt);
}
if (workersWaitingAlt.Count > 0)
{
if (FragmentsData[media].Count > MAX_LOADED_GRAGMENTS_IN_QUEUE)
{
Monitor.Wait(waitLockAlt); // wait for writing downloaded gragments
}
HDSWorker worker = workersWaitingAlt.Dequeue();
TagsStore tagsStore = new TagsStore();
FragmentsData[media].Enqueue(tagsStore);
Thread thread = new Thread(() => worker.DownloadFragment(tagsStore));
lock (workersActiveAlt) {
workersActiveAlt[thread.ManagedThreadId] = worker;
}
thread.Start();
}
else if (workersActiveAlt.Count > 0)
{
Monitor.Wait(waitLockAlt);
}
Thread.Sleep(1); // thread own quantum time fulfilled (for decrease CPU load)
}
}
}
public void DownloadFragment(TagsStore tagsStore)
{
string fragmentUrl = media.GetFragmentUrl(fragIndex);
Program.DebugLog("Fragment Url: " + fragmentUrl);
byte[] data = HTTP.TryGETData(fragmentUrl, out int retCode, out string status);
int retries = 0;
while (retCode >= 500 && retries <= MaxRetriesLoad)
{
System.Threading.Thread.Sleep(1000);
retries++;
data = HTTP.TryGETData(fragmentUrl, out retCode, out status);
}
if (retCode != 200)
{
string msg = "Download fragment failed " + fragIndex + "/" + media.TotalFragments + " code: " + retCode + " status: " + status;
Program.DebugLog(msg);
if (Program.verbose)
{
Program.Message(msg);
}
if (media.Bootstrap.live)
{
//media.CurrentFragmentIndex = media.TotalFragments;
tagsStore.Complete = true;
Done(media);
return;
}
else
{
throw new InvalidOperationException(status);
}
}
Program.DebugLog("Downloaded: fragment=" + fragIndex + "/" + media.TotalFragments + " lenght: " + data.Length);
var boxes = Box.GetBoxes(data);
if (boxes.Find(i => i.Type == F4FConstants.BOX_TYPE_MDAT) is MediaDataBox mdat)
{
lock (tagsStore) {
FLVTag.GetVideoAndAudioTags(tagsStore, mdat.data);
tagsStore.ARFA = boxes.Find(i => i.Type == F4FConstants.BOX_TYPE_AFRA) as AdobeFragmentRandomAccessBox;
tagsStore.Complete = true;
}
HDSDownloader.LiveIsStalled = false;
}
else if (media.Bootstrap.live)
{
HDSDownloader.LiveIsStalled = true;
}
else
{
throw new InvalidOperationException("No found mdat box in fragment " + fragIndex + "/" + media.TotalFragments);
}
if (Program.verbose)
{
Program.Message(string.Format("Media: {0} Downloaded: {1} Data size: {2}", media.label, fragIndex, data.Length));
}
media.CurrentFragmentIndex++;
media.Downloaded++;
Done(media);
}
