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Questions tagged [video-codecs]

Questions related to video compression and decompression methods. This includes popular video codec standards like H.264, MPEG4.

A video codec is a device or software that enables video compression or decompression for digital video. The compression usually employs lossy data compression.

More details at http://en.wikipedia.org/wiki/Video_codec

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Executable not found in Visual Studio solution when I try to run the code

I have a Visual Studio Video Codec solution wherein I need to generate 5 frames of data. As far as I know the code is code with no errors or warnings with respect to the process flow. However, when I try to run without debug it generates an error…
user7266116
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HEVC Transformation Optimization

I have been working on the HEVC project. I have recently asked some details with regards to Intra Prediction and it is more or less clarified. I was reading a book suggested by someone and it gives the details of the Transformation algorithm…
user7230592
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Which H.265 encoder supports main444-16-stillpicture?

Does anyone know an encoder which supports the "main444-16-stillpicture" profile (for 16 bits bit-depth images) ? I know that VideoLAN's x265 encoder does not support it! Thanks for your answer!
user6684929
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Conversion of .iva to .mp4 using ffmpeg

The video which I am trying to convert is uploaded at http://www.filedropper.com/video_17 I am using the following command to convert the file: ffmpeg -i archive.iva -c copy -map 0 output.mp4 -vsync 2 -y; The file should be around 1 min in length…
Rupesh Parab
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Can I get codecs for mpeg-4 , 3gpp and pcm extensions for Chrome Browser ?

Now , I currently used HTML video and audio control. What is codecs for mpeg-4 and 3gpp extension in Chrome Browser ? I tested Firefox , it's work both. But I try in Chrome Browser , it's not work although same codecs. Has some others codecs or…
Wint Khet
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Can not find NAL unit header for .mp4 files (H264 coded)?

I have been using Hex file viewer to parse few mp4 files and I know they r coded with H264 not MPEG4 . I do not seem to find the NAL header (0x000001 or 0x00000001) except at very far places from the start of the file , like half or almost at the…
user37429
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Why does ffmpeg4android fail on Galaxy S6?

I have created an app that uses the ffmpeg4android library found here: http://androidwarzone.blogspot.co.il/2011/12/ffmpeg4android.html I succesfully managed to encode & crop video using the following command: "ffmpeg -y -i [input_video_path]…
Andrei
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How to add other codecs to the dialog window?

When I call dlg window with video formats list from VFW (WM_CAP_GET_VIDEOFORMAT), then I have 2 positions only, one of those - MJPG (Motion JPG), when selected, as a result, makes video capture as black screen, what means - it doesn't work, but…
user834850
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Encoding IPIPIP Frames from x264 baseline 420 profile

I am new to FFMPEG. I am trying encode a stream in alternate I-Frames and P-Frames for the baseline profile IPIPIPIPIP. I searched FFMPEG forums but was not able to get the required output My script file: export…
Codec Guy
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How can I change what group and sub-group a DirectShow push source filter appears in?

I am using the code to create a C# DirectShow push source filter from the following open source article, that builds a filter called VirtualCam: http://www.codeproject.com/Articles/437617/DirectShow-Virtual-Video-Capture-Source-Filter-in The…
Robert Oschler
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VideoWriter do not write anything

When I try to use VideoWriter to write a frame it does not work. I already tried lots of FOURCC codes, like the defaul, h264, mjpg, divx, xvid, etc. And yes, I have installed ffmpeg with all the necessary configurations (--enable-shared,…
Nelson
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Convert a DCR video file

I have a DCR (file has a .dcr extension) video file coming from a video surveillance device ( I don't know the make and model of the recorder ) I'm unable to read it with VLC, Media Player, and it won't open in Virtual Dub or can't be converted with…
FMaz008
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Movies won't stream to TV with minidlna (debian) but music/photos will

I am trying to setup a media server running Debian 7.8 and the latest release of minidlna. My TV is a Toshiba 50L7300UC and can play music and show images via the DLNA. It will play .mkv videos too, but when I try to play an .mp4 video it says…
Alan P.
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FFMPEG conversion error from MKV to MP4 using libfdk_aac codec

The purpose of doing this is because my "Smart" samsung TV doesn't play MKV files. This thread mentions that there is no need for video conversion, just changing the container might suffice. After reading multiple threads on how to change the…
Charlie Brown
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Developing video player app for Windows phone with more media codec support

I am thinking of developing a video player app for windows phone 8 with more media codec support such as MKV, AVI, etc. And I'm also intending to add subtitle support as well. I'm new to WP8 development hence I am still working on the feasibility.…
Anjana
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