In this tutorial for Blenderwe will show you how to convert a sequence of images into an mp4 video for Youtube using the Video Sequence Editor (VSE).
When rendering an animation with Blender it is advisable not to save it immediately as a movie, but as a sequence of images (in PNG format, as it is the one with the best quality / compression ratio and is compatible with many softwares) and in order to resume rendering from a certain frame onwards in the event of a crash, both in order to divide a rendering into several parts, to be carried out comfortably in the most convenient moments.
However, there is a need to export the video in other formats to show it to the public (in a youtube video, on a web page or even just to view them with a player) or to compress all the animation in a single file of size smaller and more compact.
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To transform the sequence of images, we will use the Video Sequence Editor (VSE), one of the many precious tools contained in Blender, which has many features in common with the best professional video editors.
In the top menu we select the Video Editing workspace or, if it is not present, we add it by pressing the + button on the right
And we will display the editor with the list of directories, the preview of the video, the Properties Window, the channels of the Video Sequencer and the panel with the properties of the currently selected instrument
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When we render an animation, the files will be inserted in the directory whose path is indicated in the Output Properties tab, in the Properties Window at the top right, in the Output subpanel.
Then the popup window will open to import the files and we select the directories whose path we had noted before in the properties
On the right are the import options, we leave the default options unchanged: Start Frame:1, End Frame:26, Channel:2 and immediately press the bottom button Add Image Strip.
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In this example we have loaded a number of frames so that it is equal to the value of End Frame (26); if it had been smaller, a filling area on the right of size = End Frame - number of loaded frames would have been created.
The Frame Rate is set to 24 frames per second, so the sequence of 26 images is longer than 1+00, that is longer than a second, also we can see that it has been positioned in channel number 2. The Start Frame value indicates the position where the frames will be placed in the channel.
Once the sequence of images has been imported, we try to convert it into a single mp4 file, which can eventually be uploaded to Youtube. We therefore use the Properties Window options that we can find in the panel at the top right.
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We select the Output Properties tab and in the Dimensions subpanel we set the dimensions that the movie must have; these may correspond to the dimensions of the images in the sequence, or to the dimensions of the movie we want to create (for example, if we want to export the movie to upload it to Youtube, a good resolution could be 1920x1080). We also set the duration or portion of the animation in frames and the frames per second of the animation (24 or 25 frames per second should be fine for common viewing, but for movies where you want to save you can get up to 15 fps, while for movies with fast animations you can set 60 fps)
In the Output sub-panel we open the File Format drop-down menu and we see that there are various formats, both image and video; select FFmpeg video which will provide us with the features offered by the FFmpeg video conversion software (if you want to use it in standalone mode for other purposes, you can download it from https://www.ffmpeg.org/, but in our case it is already included in Blender)
For each container we choose, a different list of Video Codec or different options associated with the single container will appear, in cases where there is a 1:1 correspondence between the codec and the container.
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Close to the word Encoding you can click on a button that allows the selection of some presets, useful for speeding up some operations. For example, if we want to upload the video file to Youtube, we can choose a format with MP4 container and H.264 video codec, so just select h264 in MP4
Output Quality indicates the quality that the movie must have, we recommend the Medium quality value for the tests and High quality for the final version. If you don't want to lose any detail you can choose Lossless (without loss of data, but the file afterwards will be much larger).
Once the settings for exporting the video have been completed, we check that the Sequencer option is checked in the Post Processing sub-panel,
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So to start coding we press CTRL+F12 or select in the menu Render > Render Animation, as when we start rendering the animation,
And, when finished, a new file will be created in the output directory whose name will take into account the imported frames and the chosen format, for example 0001-0026.mp4.
Here ends the tutorial for Blender to convert a sequence of images to mp4 video, so you can show your fantastic animations made with Blender on Youtube, the procedure is fast enough, but you have to pay attention to the codecs, perhaps installing free packages like K-Lite (Windows) and good players like VLC Media Player. Happy blending!Stack Exchange is a question and answer site for people who use to create 3D graphics, animations, or games. It only takes a minute to sign up.
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I have a very slow school computer and the school year is wrapping up soon. I'm using the video editing part of , putting in my own music and videotaping for an English project. I rendered it with the default settings (because I don't know how to change them, started yesterday) and there's no sound. I went to go see what was wrong and opened my project back up, but the ability to edit the video or audio was completely blank. I just want my complete video rendered in .MP4 so my teacher can see it;; I'd like to save it so he can hear the audio as well, but when I render it it saves as a .png and doesn't have sound.
You don't export a blend file to a different format. You need to render the images or frames of the animation and encode them to a video format.
Container is the file format for the file, (Mov, Avi, Ogg, MP4, to name a few) sometimes is referred as a wrapper.
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Codec (short for Compression-Decompression) Is how the image is compressed. The picture quality, file size and processing power needed to view the file are largely determined by the kind of codec used and the settings used for it.
If you have already rendered the images as a .png image sequence. Then all you need to do is load those images into the VSE (video sequence editor), where you can also load the sound, then set the output to FFmpeg and the video container and codec of your choosing and render.
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