[FFmpeg-user] best FFMPEG encoding and encoding a file to fast start

[Dani A]

I am building a platform for users to uploap videos and I want to make sure all my files are converted to MP4, as I now it is the best for quality and size as I do not have unlimited space. And then online users can view those files on PC, IPAD, and mobile phones.
Just like youtube.... So is libx264 the best encoding?
 


     On Monday, June 8, 2015 6:43 AM, Henk D. Schoneveld <belcampo at zonnet.nl> wrote:
   

 
On 08 Jun 2015, at 04:28, Dani A <danix4u-at-yahoo.com at ffmpeg.org> wrote:

> Sorry I have been looking for days and I could not find any valuable info...And yes I heard of google!
> 
> So it the below right or I am missing something...
> ffmpeg -i input.avi -movflags +faststart output.mp4
Have you tried that and what is the result ?
In your first post you said you want to lower file size.
What is the current size of the avi. How is it encoded, with what codec, what’s the resolution ?
Do you want to keep the resolution the same ?
What devices/players should be able to play this file ?
All these questions have to be answered to know if you’ll get what you want.
ffmpeg -i input.avi -c:v libx264  -movflags +faststart output.mp4
will probably result in an smaller file, but I’ve no idea if that is enough, or what is needed. I can’t find my crystal ball at the moment.
> 
> 
> 
>    On Sunday, June 7, 2015 3:13 PM, Henk D. Schoneveld <belcampo at zonnet.nl> wrote:
> 
> 
> 
> On 07 Jun 2015, at 19:25, Dani A <danix4u-at-yahoo.com at ffmpeg.org> wrote:
> 
>> Any answers?
>> Best FFMPEG encoding to reduce file size while not impacting video quality?! is mp4 the best?
>> 
>> 
>> What is the ffmpeg command to make the video to fast start in CentOS?
> You\ve probably heard of google
> putting ffmpeg faststart as search option gives you several options how to do it.
> Succes
>> 
>> 
>> 
>>    On Sunday, June 7, 2015 12:57 AM, Dani A <danix4u-at-yahoo.com at ffmpeg.org> wrote:
>> 
>> 
>> Two questions, what is the best enconding to be used to convert a video file to lower size file while maintaining quality?
>> Also, I want my video to start streaming right away so I have been told that I should move the moov atom to the beginning for fast start.
>> So can you give me the full ffmpeg command to do that including the best encoding?
>> 
>> 
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