private unsafe void Initialize()
{
FfmpegCalls.AvFormatFindStreamInfo(_formatContext);
BestAudioStreamIndex = FfmpegCalls.AvFindBestStreamInfo(_formatContext);
_stream = new AvStream((IntPtr)_formatContext->streams[BestAudioStreamIndex]);
Metadata = new Dictionary <string, string>();
if (_formatContext->metadata != null)
{
var metadata = _formatContext->metadata->Elements;
foreach (var element in metadata)
{
Metadata.Add(element.Key, element.Value);
}
}
}
public unsafe void Dispose()
{
GC.SuppressFinalize(this);
if (SelectedStream != null)
{
SelectedStream.Dispose();
_stream = null;
}
if (_formatContext != null)
{
fixed(AVFormatContext **pformatContext = &_formatContext)
{
FfmpegCalls.AvformatCloseInput(pformatContext);
}
_formatContext = null;
BestAudioStreamIndex = 0;
}
}