public void Open(IMediaInputStream stream, Uri streamUri, HardwareDeviceInfo ha)
{
if (stream != null || streamUri != null)
{
Close();
try
{
// TODO: Sometimes when the stream can't be read, the sample player stays as if it were trying to open
// until the interrupt timeout occurs but and the Real-Time Clock continues. Strange behavior. Investigate more.
// Signal the initial state
var source = stream != null ? stream.StreamUri : streamUri;
State.ResetAll();
State.UpdateSource(source);
// Create a default stream container configuration object
var containerConfig = new ContainerConfiguration();
// Convert the URI object to something the Media Container understands (Uri to String)
var mediaSource = source.IsWellFormedOriginalString()
? source.OriginalString
: Uri.EscapeUriString(source.OriginalString);
// When opening via URL (and not via custom input stream), fix up the protocols and stuff
if (stream == null)
{
try
{
// the async protocol prefix allows for increased performance for local files.
// or anything that is file-system related
if (source.IsFile || source.IsUnc)
{
// Set the default protocol Prefix
// The async protocol prefix by default does not ssem to provide
// any performance improvements. Just leaving it for future reference below.
// containerConfig.ProtocolPrefix = "async"
mediaSource = source.LocalPath;
}
}
catch { /* Ignore exception and continue */ }
// Support device URLs
// GDI GRAB: Example URI: device://gdigrab?desktop
if (string.IsNullOrWhiteSpace(source.Scheme) == false &&
(source.Scheme == "format" || source.Scheme == "device") &&
string.IsNullOrWhiteSpace(source.Host) == false &&
string.IsNullOrWhiteSpace(containerConfig.ForcedInputFormat) &&
string.IsNullOrWhiteSpace(source.Query) == false)
{
// Update the Input format and container input URL
// It is also possible to set some input options as follows:
// Example: streamOptions.PrivateOptions["framerate"] = "20"
containerConfig.ForcedInputFormat = source.Host;
mediaSource = Uri.UnescapeDataString(source.Query).TrimStart('?');
//this.LogInfo(Aspects.EngineCommand,
// $"Media URI will be updated. Input Format: {source.Host}, Input Argument: {mediaSource}");
}
}
// Instantiate the public container using either a URL (default) or a custom input stream.
Container = stream == null ?
new MediaContainer(mediaSource, containerConfig, this) :
new MediaContainer(stream, containerConfig, this);
// Initialize the container
Container.Initialize();
Container.MediaOptions.VideoHardwareDevice = ha;
// Side-load subtitles if requested
// Get the main container open
Container.Open();
State.InitializeBufferingStatistics();
Workers = new MediaWorkerSet(this);
Workers.Start();
}
catch
{
try { Workers?.Dispose(); } catch { /* Ignore any exceptions and continue */ }
try { Container?.Dispose(); } catch { /* Ignore any exceptions and continue */ }
Container = null;
throw;
}
}
else
{
Close();
}
}
internal void SendOnMediaInitializing(ContainerConfiguration config, string url) => Connector?.OnMediaInitializing(this, config, url);
