public static MediaFilterGraph CreateMediaFilterGraph(string graphDesc)
{
MediaFilterGraph filterGraph = new MediaFilterGraph();
AVFilterInOut * inputs;
AVFilterInOut * outputs;
ffmpeg.avfilter_graph_parse2(filterGraph, graphDesc, &inputs, &outputs).ThrowExceptionIfError();
AVFilterInOut *cur = inputs;
for (cur = inputs; cur != null; cur = cur->next)
{
Trace.TraceInformation($"{((IntPtr)cur->name).PtrToStringUTF8()}");
filterGraph.inputs.Add(new MediaFilterContext(cur->filter_ctx));
}
for (cur = outputs; cur != null; cur = cur->next)
{
Trace.TraceInformation($"{((IntPtr)cur->name).PtrToStringUTF8()}");
filterGraph.outputs.Add(new MediaFilterContext(cur->filter_ctx));
}
foreach (var item in filterGraph)
{
Trace.TraceInformation($"{item.Name}");
for (int i = 0; i < item.NbInputs; i++)
{
Trace.TraceInformation(ffmpeg.avfilter_pad_get_name(item.AVFilterContext.input_pads, i));
}
Trace.TraceInformation("++++");
for (int i = 0; i < item.NbOutputs; i++)
{
Trace.TraceInformation(ffmpeg.avfilter_pad_get_name(item.AVFilterContext.output_pads, i));
}
Trace.TraceInformation("---------");
}
// TODO: Link
filterGraph.Initialize();
ffmpeg.avfilter_inout_free(&inputs);
ffmpeg.avfilter_inout_free(&outputs);
return(filterGraph);
}
public static MediaFilterGraph CreateMediaFilterGraph(string graphDesc)
{
unsafe
{
MediaFilterGraph filterGraph = new MediaFilterGraph();
AVFilterInOut * inputs;
AVFilterInOut * outputs;
ffmpeg.avfilter_graph_parse2(filterGraph, graphDesc, &inputs, &outputs).ThrowExceptionIfError();
AVFilterInOut *cur = inputs;
for (cur = inputs; cur != null; cur = cur->next)
{
ffmpeg.av_log(null, (int)LogLevel.Debug, $"{((IntPtr)cur->name).PtrToStringUTF8()}{Environment.NewLine}");
filterGraph.inputs.Add(new MediaFilterContext(cur->filter_ctx));
}
for (cur = outputs; cur != null; cur = cur->next)
{
ffmpeg.av_log(null, (int)LogLevel.Debug, $"{((IntPtr)cur->name).PtrToStringUTF8()}{Environment.NewLine}");
filterGraph.outputs.Add(new MediaFilterContext(cur->filter_ctx));
}
foreach (var item in filterGraph)
{
ffmpeg.av_log(null, (int)LogLevel.Debug, $"{item.Name}{Environment.NewLine}");
for (int i = 0; i < item.NbInputs; i++)
{
ffmpeg.av_log(null, (int)LogLevel.Debug, $"{ffmpeg.avfilter_pad_get_name(item.AVFilterContext.input_pads, i)}{Environment.NewLine}");
}
for (int i = 0; i < item.NbOutputs; i++)
{
ffmpeg.av_log(null, (int)LogLevel.Debug, $"{ffmpeg.avfilter_pad_get_name(item.AVFilterContext.output_pads, i)}{Environment.NewLine}");
}
}
// TODO: Link
filterGraph.Initialize();
ffmpeg.avfilter_inout_free(&inputs);
ffmpeg.avfilter_inout_free(&outputs);
return(filterGraph);
}
}
