ffmpeg

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How do I make a video with a static image background in FFMPEG?

I have an image. I have a transpare开发者_开发百科nt FLV. I want to use the image as a background to the transparent FLV and have it outputted as FLV.[详细]

2023-04-03 14:22 分类：问答
Which value exactly tells the video stream bit rate in ffmpeg output?

I have a basic doubt. In the following ffmpeg output, which of the bit rate values (in bold) te开发者_Python百科lls us the video bit rate?[详细]

2023-04-03 09:12 分类：问答
Wav File encoded with FFMPEG has issues with codecs while playing using VLC Player

I want to convert raw PCM data(Taken from Android Phone mic) into a libGSM Wave file. After encoding into file, VLC player shows right codec information and duration but unable to play contents. Pleas[详细]

2023-04-03 07:17 分类：问答
Generate video thumbnail using ffmpeg; Grab from RTMP server

I have research how to generate a video thumbnail user FFMPEG like so: ffmpeg -i myfile.flv -vcodec mjpeg -vframes 1 开发者_开发百科-an -f rawvideo -s 640x480 foo.jpg[详细]

2023-04-03 02:20 分类：问答
Interact with ffmpeg from a .NET program?

I\'m trying to create a .NET wrapper for media-file conversion using ffmepg, here is what I\'ve tried:[详细]

2023-04-02 11:45 分类：问答
Compressed SWF format not supported

When trying to convert a .swf file to .flv in ffmpeg, I get this error. Is there any way to decompress or bypass this error in ffmpeg, or i开发者_开发百科s there any other command line video conversio[详细]

2023-04-02 07:58 分类：问答
How to do make a loading screen for ffmpeg using c# asp.net

I have this function and where the Debug.WriteLine commands are is where I output the values.How would I get this data to print into a webpage so I can mimic a loading screen?I am calling this functio[详细]

2023-04-02 04:32 分类：问答
ffmpeg: How do I loop audio when encoding video? [closed]

Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow.[详细]

2023-04-01 19:51 分类：问答
Requesting header information of a file

is there anyway I ca开发者_开发百科n request only the header information of any media. For example I just want to request header information of any video file so as to find its video length. I tried u[详细]

2023-04-01 18:23 分类：问答
FFMPEG with hardware codec support

I have built a simple media player using ffmpeg on Android 2.2. Hardware is an arm cortex-a8 based 1GHz processor, 512 MB RAM. I am getting low performance, around 15 FPS for 800x600 mp4 video. I have[详细]

2023-04-01 17:20 分类：问答