I like to use the mp4 format because it is supported by HTML5 and I can embed it in a web page for streaming. mkv isn't as easy.
On Thu, Apr 7, 2022 at 10:51 AM Brian Cluff via PLUG-discuss < plug-discuss@lists.phxlinux.org> wrote: > MP4, AVI, MOV, FLV...etc...etc are container formats. Think of them as > specialty file systems that hold the various "files" that make up of the > video. Those parts can include the video, the audio, subtitles, thumbnail > images, meta data... etc...etc.. and often time multiple versions of any > combination of those. > > The various containers can usually hold a number of different types of > video formats inside them such as h.264, h.264/HEVC, MPEG4, Theora, VP8, > VP9, AV1. Then there are different audio formats and they can usually use > just about anything you can think of as an audio codec, such as MP2, WAV > but often times they use formats that you don't usually see outside of a > video pairing like AC3, AAC, but there's no reason you couldn't just have > an stand alone audio file in any format that can be encoded into a video. > > So just looking at the suffix of the video file won't tell you anything > about if your computer can play it back or not. What you really need to > know is the CODECS that make up various parts of the video are and the > resolution that the video is stored at. Your computer will have an easier > time of with some video formats than others. You'll find that your > computer will usually have an easier time with older video formats that are > much larger because the hardware decompressing support for that format is > baked into the GPU or the CPU, so you'll find that putting a newer > generation video card into even an old computer can make it instantly be > able to play back the most modern 4K video simply because all the > decompressing is happening on the GPU and the CPU has little to do with it. > > If you have VLC, you can go to "Tools -> Codec Information" and "Tools -> > Media Information" and it will give you a rough breakdown of what makes up > your particular video. > Another really nice tool is mediainfo ( apt install mediainfo ). Just run > that with your video file name as the argument and it will spit out info > about all the various parts that make up your video (or audio) file. > > Brian Cluff > PS > My personal favorite container format is MKV since it seems to be able to > hold just about anything you throw at it without limitation. > > > On 4/7/22 08:46, Michael via PLUG-discuss wrote: > > about converting it to x264..... is this going to be an mp4 file? > > On Thu, Apr 7, 2022 at 10:53 AM Bob Elzer via PLUG-discuss < > plug-discuss@lists.phxlinux.org> wrote: > >> ok now try >> >> ffmpeg -i input.mp4 -codec:v libtheora -qscale:v 3 -codec:a libvorbis >> -qscale:a 3 -f ogv output.ogg >> >> >> you might also want to try converting it to x264 just google convert video >> to ffmpeg x264 >> >> >> >> On Wed, Apr 6, 2022 at 4:22 PM Michael via PLUG-discuss < >> plug-discuss@lists.phxlinux.org> wrote: >> >>> forgot to mention the ones that would not load >>> >>> On Wed, Apr 6, 2022 at 7:19 PM Michael <bmi...@gmail.com> wrote: >>> >>>> I meant 1080 not 1099. >>>> >>>> On Wed, Apr 6, 2022 at 7:16 PM Michael <bmi...@gmail.com> wrote: >>>> >>>>> I did. Those ones stuttered. The other ones had 2 hour downloads. The >>>>> 1099 ogg file stuttered. >>>>> >>>>> On Wed, Apr 6, 2022 at 7:10 PM Bob Elzer via PLUG-discuss < >>>>> plug-discuss@lists.phxlinux.org> wrote: >>>>> >>>>>> I would try the mp4 versions too >>>>>> >>>>>> >>>>>> On Wed, Apr 6, 2022, 3:07 PM Michael via PLUG-discuss < >>>>>> plug-discuss@lists.phxlinux.org> wrote: >>>>>> >>>>>>> After further investigation I found 720p_stereo.ogg >>>>>>> <https://download.blender.org/peach/bigbuckbunny_movies/big_buck_bunny_720p_stereo.ogg> >>>>>>> and 480p_stereo.ogg >>>>>>> <https://download.blender.org/peach/bigbuckbunny_movies/big_buck_bunny_720p_stereo.ogg> >>>>>>> work. So I need to convert it to one of those formats. >>>>>>> >>>>>>> I assume you want me to convert it to 720. >>>>>>> -- >>>>>>> :-)~MIKE~(-: >>>>>>> --------------------------------------------------- >>>>>>> PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org >>>>>>> To subscribe, unsubscribe, or to change your mail settings: >>>>>>> https://lists.phxlinux.org/mailman/listinfo/plug-discuss >>>>>> >>>>>> --------------------------------------------------- >>>>>> PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org >>>>>> To subscribe, unsubscribe, or to change your mail settings: >>>>>> https://lists.phxlinux.org/mailman/listinfo/plug-discuss >>>>> >>>>> >>>>> >>>>> -- >>>>> :-)~MIKE~(-: >>>>> >>>> >>>> >>>> -- >>>> :-)~MIKE~(-: >>>> >>> >>> >>> -- >>> :-)~MIKE~(-: >>> --------------------------------------------------- >>> PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org >>> To subscribe, unsubscribe, or to change your mail settings: >>> https://lists.phxlinux.org/mailman/listinfo/plug-discuss >> >> --------------------------------------------------- >> PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org >> To subscribe, unsubscribe, or to change your mail settings: >> https://lists.phxlinux.org/mailman/listinfo/plug-discuss > > > > -- > :-)~MIKE~(-: > > --------------------------------------------------- > PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org > To subscribe, unsubscribe, or to change your mail > settings:https://lists.phxlinux.org/mailman/listinfo/plug-discuss > > > --------------------------------------------------- > PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org > To subscribe, unsubscribe, or to change your mail settings: > https://lists.phxlinux.org/mailman/listinfo/plug-discuss
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