Howto mix two video/audio streams
Hi everybody,for a school project a would like to build a simple video/audio mixer. I want to play two video/audio streams at the same time and mix them in real time (crossfade). I'm relatively new to...
View ArticleAre non-standard aspect ratios supported with hardware H264 Decoding
I have an application playing back MP4 H264s through a mediaElement object. The video it'll be playing back is a 5:2 aspect ratio and I'm trying to decide between playing 5:2 H264s or letterboxing...
View ArticleStreaming real time video from Raspberry Pi to Media Foundation
After a few weeks of failing at this I am stuck and have no idea where to go from here what I am attempting to do is to stream in as close to real time from the Rpi to MF so that a tank can be...
View ArticleMF_TOPOLOGY_TEE_NODE, DisconnectOutput on one output, the other output stops too
Given a tee node with two output sinks, the first uses no CPU (render) and the second uses a lot of CPU (sample grabber). To selectively enable the second (sample grabber) I thought I...
View ArticleDecoded YUY2 frame from Microsoft NX-6000 using Media foundation
I am using Media foundation to capture from Lifecam NX-6000 webcam on Win7.This camera supports MJPG formats. I am able to successfully set the the current media type to YUY2 format to get a decoded...
View ArticleRising memory use from URL-based IMFMediaSource
Hi,I have a URL based IMFMediaSource which I'm recording to a file sink.The memory use for the process has risen about 10Mb over about 16 hours, and there have been about 250,000 page faults, as...
View ArticleSeamless looping in MediaFoundation
Very simple task yet almost impossible to achieve in MediaFoundation. I've seen the question asked with no answer. The solution I have right now is to call Start when I get MEEndOfPresentation but that...
View ArticleAny APIs in .NET framework to seek keyframes in a video
Do any APIs exist in .NET framework to work on video processing? specifically I want to extract all the keyframes in a video.DirectShow may come of use in this. But the documentation says that its...
View ArticleCannot open file “winpool.lib”
http://i.stack.imgur.com/n4UdQ.jpgThat is the picture of the error.I've freshly installed VS 2013 for windows desktop. Tried to run my first application and have this error.
View ArticleSet the output frame size for a custom MFT
Hello,The question maybe not identical to Media Foundation on Windows Desktop, because I using MFT on Windows Phone 8.1 RT, but the principle behind should be the same. I am trying to modify the...
View ArticleIs it possible to decode/encode Direct3D textures directly from video memory...
Hello,its quite a while since i posted any question here. I worked like 1 and a half year only on interfaces, and now i am finaly back to my decoding and encoding pipes.Well i have 3 live sources that...
View ArticleCapturing from webcam to mp4 (H.264+AAC) produces choppy video files on Win 7
I'm tying to capture webcam stream to mp4 (H.264+AAC). I'm using MFCaptureToFile sample as a basis (I've added audio recording to it). Everything works fine on Windows 8 OS, however on Windows 7 quite...
View ArticleReadSample gives error with Logitech c920e on Windows 8
I have Logitech C930e camera I am trying to get H264 bitsream using Media foundation API's. Here I am able to set the camera with MFVideoFormat_H264 but i am getting : 0x80070491 "There was no match...
View Articlemedia source with characteristics MFMEDIASOURCE_HAS_MULTIPLE_PRESENTATIONS
Hi ,I have created a media source with the characteristics MFMEDIASOURCE_CAN_PAUSE | MFMEDIASOURCE_CAN_SEEK.This is working fine for me and seek and pause is also happening.Now I have added a...
View ArticleWindows media player plays audio but no video in new desktop created using...
Hi,I have created a new desktop in my application using the following commands. if(newdesktopRequired){ hdesk=CreateDesktop(...); SwitchDesktop(hdesk); SetThreadDesktop(hdesk); }Im able to play videos...
View ArticleHow to Get ByteStream from IMFCaptureRecordSink?
HelloI am working on capturing video from device using MFT where in I used IMFCaptureRecordSink for recording captured video.HRESULT ConfigureVideoEncoding(IMFCaptureSource *pSource,...
View ArticleMfpmp.exe under PE prefetchs all catalog files of catroot folder after the...
Hello,We are developing a DVD player by using media foundation under PE, we develop our components such as source,decoder signed by PE certificate and run our components in mfpmp.exe under PE, it works...
View Articleissues in developing video driver with DXVA 1.0 for xp
Hi all:I'm developing a video driver with DXVA1.0 for xp. Some problems are blocking me.These functions in driver will be called when my video driver is being...
View ArticleHow to find the performance bottleneck when playing a 4K video?
I am running into frames being dropped from time to time when playing a 4K video with Media Foundation. The test movie I am using has an average bitrate of 20 mbps and a peak of 37 mbps and is h264...
View ArticleAudio on Win Server 2012 r2
Hi,how can I install or run the audio service on Azure?Message: the audio service is not running , appears by pointing on the loudspeaker icon.May be it is too simple that can get this.Hans-werner
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