directshow

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SampleGrabber Parameter is Incorrect

I\'m banging my head over trying to save a jpg file using the samplegrabber in my directshow application. The graph runs fine however when I launch the CaptureImage() function it gets as far as GetCur[详细]

2023-04-13 05:02 分类：问答
DirectShow DMO Color Converter

I am having an issue with connecting the Color Converter DMO object in graphedit (graphstudio, and in code). It works on one machine and turns green in graphedit, however on the machine I have to demo[详细]

2023-04-13 01:48 分类：问答
Matroska Muxer filter for DirectShow

I\'m trying to create graph AudioCapture -> Vorbis Encoder -> Matroska Muxer, but graphedit inserts Vorbis Decoder before Matroska Muxer. I want th开发者_StackOverflow社区is graph working without Vorb[详细]

2023-04-12 18:54 分类：问答
Stream Buffer Engine in a service

I am trying to write a service which use the Stream Buffer Engine to do background recording.A GUI can connect and disconnect from the service to view the stream at anytime.I have the recording \"serv[详细]

2023-04-12 05:27 分类：问答
How can I directly embed a DirectShow Push Source filter in an EXE?

I have a Delphi 6 program that receives audio from an external program via a socket.Now I want to feed that audio to a DirectShow filter graph I create that routes that audio to different output filte[详细]

2023-04-11 16:46 分类：问答
Showing a semi-transparent Image object over an IVideoWindow in C# using DirectShow.NET

I\'ve been using DirectShow.NET to interface with a webcam in C# and so far everything has been going smoothly.However, right now I\'m working on trying to set up a method to \"crop\" an image (while[详细]

2023-04-11 12:03 分类：问答
Encoding graphics into an mpeg stream

looking for an example of how to programatically encode a frame-buffer into an mpeg stream. I need this to experiment with some mp开发者_C百科eg encoders, to see how different patterns compress.[详细]

2023-04-11 11:49 分类：问答
Which parts of DirectShow's Filter Graph Manager are thread safe?

The MSDN doesn\'t say. IGraphBuilder has a function Abort. That implies that at the very least it\'s safe to call Abort and any one other IGraphBuilder function at the same time. With this question, I[详细]

2023-04-11 09:19 分类：问答
Capturing audio using DirectShow

I\'m writing program which captures audio in C# using DirectShow library and writes it to ogg container. I created a graph in GraphEditPlus. It generates a GraphBuilder method code which I copied to m[详细]

2023-04-11 04:43 分类：问答
How can I use WPF MediaKit, or a similar program, for rendering from a DirectShow filter graph created with DES on to a WPF control?

I have developed a simple video editor using C# and DirectShow.net. As of now, I have a DirectShow filter graph built using DirectShow Editing Services. My application controls the graph, runs, pauses[详细]

2023-04-10 19:37 分类：问答