Re: [FFmpeg-user] upscaling a single DASH segment

2017-05-22 17:26 GMT+08:00 Qian Li : > Hello, > > > I am a newbie of FFmpeg. I am trying to upscale a single video segment > (downloaded by a DASH client from a DASH server) to a higher resolution. I > tried the copy and scale filters, but both of them gave the following >

Re: [FFmpeg-user] Images to video under Windows

> On 22 May 2017, at 17:36, Wolfgang Hugemann wrote: > > Hey, > > I have a bunch of images that I want to convert into a video. These are, > however, not numbered consecuitively (not like 001.jpg, 002.jpg, ...). > > Well, I could make a copy of each and rename them in such a

Re: [FFmpeg-user] Images to video under Windows

On Mon, May 22, 2017 at 9:06 PM, Wolfgang Hugemann wrote: > How about piping? > Pipiing or the concat demuxer can work. e.g. cat *.jpg | ffmpeg -f image2pipe -framerate 25 -i - out.mp4 See https://stackoverflow.com/questions/40870357/input-parameters-to-ffmpeg

[FFmpeg-user] Images to video under Windows

Hey, I have a bunch of images that I want to convert into a video. These are, however, not numbered consecuitively (not like 001.jpg, 002.jpg, ...). Well, I could make a copy of each and rename them in such a pattern, but is there a more elegant way to perform the job? File name globbing is

Re: [FFmpeg-user] Create an AAC stream matching the Core Media Audio packet format / priming etc?

On 15 Apr 2017, at 09:22, Christian Ebert wrote: > Somewhat counterintuitive, but you never know: > > -filter:a aresample=async=1:first_pts=0,asetpts=PTS-STARTPTS+1024 > > combined with the -t incantation. Hi Christian, It seems this issue is not going to garner much

[FFmpeg-user] upscaling a single DASH segment

Hello, I am a newbie of FFmpeg. I am trying to upscale a single video segment (downloaded by a DASH client from a DASH server) to a higher resolution. I tried the copy and scale filters, but both of them gave the following errors: [mov,mp4,m4a,3gp,3g2,mj2 @ 0x55f1d6eeb8e0] could not find