ffmpeg

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How to get a loading return value

I am trying to create a loading progress bar for my function: private string ConvertToFLV(string phyicalFilePath)开发者_开发知识库[详细]

2023-04-01 17:16 分类：问答
Add SRT subtitle to video with ffmpeg

I use ffmpeg to encode, and add subtitle to a video by following command $ ffmpeg -i hifi.avi -i hifi.srt -acodec libfaac -ar 48000 -ab 128k -ac 2 -vcodec libx264 -vpre ipod640 -s 480x240 -b 256k -sco[详细]

2023-04-01 11:40 分类：问答
Decode h264 video

I开发者_高级运维 am looking for a way to decode h264 (or indeed any video format) using c#. The ultimate goal is to be able to decode the images and very strictly control the playback in real time. Th[详细]

2023-03-31 20:18 分类：问答
rawvideo and rgb32 values passed to FFmpeg

I\'m converting a file to PNG format using this call: ffmpeg.exe -vframes 1 -vcodec rawvideo -f rawvideo -pix_fmt rgb32 -s <width>x<height> -i infile -f image2 -vcodec png out.png[详细]

2023-03-31 20:11 分类：问答
Streaming without Content-Length in response

I\'m using Node.js, Express (and connect), and fluent-ffmpeg. We want to stream audio files that are stored on Amazon S3 through http.[详细]

2023-03-31 19:35 分类：问答
how to add a text stream (subtitle) into a .mp4 or .m4v

I use ffmpeg to convert video us开发者_Go百科ing H264 for video encoding, and FAAC for audio encoding. The output should be .mp4 or m4v in order to play on both Android and iPhone. I want to add a sub[详细]

2023-03-31 18:02 分类：问答
Trouble with the ffmpeg -ss flag when capturing one frame from a Macbook iSight webcam

For about five years I\'ve used ffmpeg in a shell script to grab one frame from my linux\'d-up Macbook\'s iSight:[详细]

2023-03-31 17:30 分类：问答
Convert raw image using open-source library with permissive license

I need to convert a raw, rgb32-formatted image to a PNG with a library (written in, in order of preference, Java, C, C++) having a permissive (e.g. BSD or Apache) license.[详细]

2023-03-31 16:17 分类：问答
PHP's exec() not executing command for FFmpeg

I have installed ffmpeg on my server and it works fine via my terminal. I\'m able to successfully convert a file to webm format, so I\'m sure the installation is fine. I\'m also sure that I only have[详细]

2023-03-31 10:55 分类：问答
How to encode a stream of RGBA values to video?

More specifically: I have a sequence of 32 bit unsigned RGBA integers for pixels- e.g. 640 integers per row starting at the left pixel, 480 rows per frame starting at the top row, repeat for n frames.[详细]

2023-03-31 08:40 分类：问答