No. The "mp" in "mp4" stands for Moving Picture Experts Group (MPEG), which
implies MPEG compression (*MPEG-4 Part 14*, specifically).
Compression here is the opposite of what you're trying to achieve.
Thanks,
Alexander
Sent from my Samsung Galaxy S22+
On Thu, Apr 21, 2022, 15:06 Michael via PLUG-discuss <
plug-discuss@lists.phxlinux.org> wrote:
> ffmpeg -i input.mp4 -vcodec rawvideo -pix_fmt bgr24 output.avi
>
> should be the one. but would
>
> ffmpeg -i input.flv -vcodec rawvideo -pix_fmt bgr24 output.mp4
>
> give me a conversion from flv (the original format) to mp4 with just a stream of pictures like we want?
>
>
> On Thu, Apr 21, 2022 at 4:47 PM Michael <bmike1@gmail.com> wrote:
>
>> would this work?
>> https://www.quora.com/How-can-you-decompress-a-video-file-in-FFmpeg
>>
>> On Thu, Apr 21, 2022 at 4:40 PM Bob Elzer via PLUG-discuss <
>> plug-discuss@lists.phxlinux.org> wrote:
>>
>>> OK, the file you are trying to convert is already as small as it is
>>> going to get. This from fileinfo.com: Before 2007, OGG files were
>>> used to store various types of media, but since then the Xiph.Org
>>> Foundation recommends that OGG files store only audio data. Now, you will
>>> most likely encounter only OGG files that store audio data compressed with
>>> Vorbis compression.
>>>
>>> Since the file is already compressed the reason for your stuttering is
>>> that the player is trying to uncompress while playing and appears not to be
>>> powerful enough to do it smoothly. I think what you should be doing is
>>> uncompressing the file into its full uncompressed file size, then the video
>>> player doesn't have to do the work any more. The actual uncompress work
>>> would be done by ffmpeg which will probably take a long time. Changing the
>>> scale might help, but trying to reconvert it to another format is just
>>> going to make it bigger every time and probably still stutter.
>>>
>>> Since I've never tried to uncompress a video file, I don't know what the
>>> settings would be. You have to do some googling to find that ffmpeg
>>> uncompress video
>>>
>>> On Thu, Apr 21, 2022 at 11:56 AM Michael via PLUG-discuss <
>>> plug-discuss@lists.phxlinux.org> wrote:
>>>
>>>> Okay.... these are the questions I will have concerning converting my
>>>> flv to ogg while scaling the resolution.
>>>> Is it as simple as stating:
>>>> ffmpeg <in file>.flv -vf scale=-1:720 <out file>.ogg
>>>> ?
>>>> --
>>>> :-)~MIKE~(-:
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>>
>>
>> --
>> :-)~MIKE~(-:
>>
>
>
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