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You can encode to Theora video and Vorbis audio with ffmpeg if it has been compiled with --enable-libtheora and --enable-libvorbis. Depending on your ffmpeg version the default settings may not provide good enough quality. Therefore you must add some additional parameters to enable a constant quality type of mode for the video. Theora video Adjust video ...


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I've answered a similar question some time ago. YouTube added a few codecs since then but all the info there still applys: What codec will my Youtube uploads be output in and what codec should I use to upload? Short answer: Yes if you are concerned about maximum quality a lossless codec or visually lossless codec is the way to go. Re-encoding always means ...


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Fixed by updating FFMpeg to newer version


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You need to make sure your artwork is at least 720x1280 in size. Then open a video editing package like Adobe Premiere, Final Cut, or an animation package like After Effects. Create a project with a canvas of 720 x 1280 pixels, and drag your artwork into it. Make the timeline 10 seconds in duration (set in and out points on your timeline). Export your ...


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You can use the Free FFmpeg Mux/Demux... Type onto ffmpeg/bin the following ffmpeg.exe -i artwork.jpg -vcodec h264 -s 720x1280 -aspect 16:9 -ss 0 -t 10 -b 3072k outputvideo.mp4


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You have to check the specification of your camera. 30Mb/s could be plenty for 60fps 4k or not enough for 24p SD, entirely depending on what format and data rate is being used. Your camera should say the data rate of whatever you intend to record in. Use that to determine the needed card speed. Make sure that the write speed is actually what you need as ...


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Ok, now that I'm home I think I see what you are noticing. That is just an error with the block transitioning from black to white. You can either slow down the fade or increase the keyframe frequency. H.264 works by storing only certain frames and then storing the change in-between. It breaks the image in to sections to analyse and so you can see if you ...



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