Re: [FFmpeg-user] ffplay struggling with this station!

2020-09-25 Thread andrei ka
so, just run vlc in cmdline & no display mode ;-) &rei On Thu, Sep 24, 2020 at 5:31 PM Carl Zwanzig wrote: > On 9/24/2020 6:29 AM, Firas Shahin via ffmpeg-user wrote: > > But this tells me that it must be the software versions, since you > didn’t have any issues. > > Always try with the current

[FFmpeg-user] AV sync issues with transcoding and DASH output

2020-09-25 Thread Benjamin SOMERS
Hello, I'm trying to convert DTT signals to DASH and am facing an issue with AV synchronization. The (simple) architecture is : DVB-T cards -> MuMuDVB -> FFmpeg -> DASH player MuMuDVB grabs the signals from the DVB cards and streams them in multicast. By checking in VLC, the raw output is ok. T

[FFmpeg-user] Compiling FFMpeg with MSVC 2015 tools.

2020-09-25 Thread Simon Brown
I have followed the instructions at: https://trac.ffmpeg.org/wiki/CompilationGuide/MSVC I have installed msys and yasm. I have set up the build environment. I clone ffmpeg with 'git clone git://source.ffmpeg.org/ffmpeg.git I run ./configure --target-os=win64 --arch=x86_64 --toolchain=msvc --enable-

Re: [FFmpeg-user] VP8 encoding performances

2020-09-25 Thread Emmanuel Dreyfus
On Thu, Sep 24, 2020 at 06:15:07PM +0200, Carl Eugen Hoyos wrote: > While FFmpeg is not responsible for vp8 encoding performance, > I would still strongly recommend that you recompile or download > a saner binary: Yours is so massively broken that the decoding > speed is probably very slow. > I sho

Re: [FFmpeg-user] VP8 encoding performances

2020-09-25 Thread Carl Eugen Hoyos
Am Fr., 25. Sept. 2020 um 17:08 Uhr schrieb Emmanuel Dreyfus : > I have rebuilt ffmpeg with ./configure --enable-libvpx --enable-libwebp > --enable-libvorbis --mandir=/usr/pkg/man --prefix=/usr/pkg --progs-suffix=4 > --datadir=/usr/pkg/share/ffmpeg4 --docdir=/usr/pkg/share/doc/ffmpeg4 > --incdi

Re: [FFmpeg-user] need help with making an "in sync" screen recording.

2020-09-25 Thread Carl Eugen Hoyos
Am Fr., 25. Sept. 2020 um 02:06 Uhr schrieb Amon Gibson Albuquerque Nunes : > > i'm confused, why does it (the old documentation) say that -q 1 should not be > used? Because you should use -q 2 instead. > and what am i actually supposed to use instead of -bitrate? I don't know what you want to

Re: [FFmpeg-user] need help with making an "in sync" screen recording.

2020-09-25 Thread Amon Gibson Albuquerque Nunes
> I don't know what you want to achieve... i want to make a high-quality screen recoding using MPEG2 video codec. so i can use it for editing stuff through an editing program of choice. to that end i had to ensure the GOP number (-g command) is set to 1 while also attempting to raise the quality o

Re: [FFmpeg-user] need help with making an "in sync" screen recording.

2020-09-25 Thread Ted Park
Hi, I have a feeling specifying the capture region as an input option instead of cropping with a filter will help. Also do you really need the scale? Scaling the encore in another step will probably be indistinguishable if you do. Regards, Ted Park ___

Re: [FFmpeg-user] need help with making an "in sync" screen recording.

2020-09-25 Thread Amon Gibson Albuquerque Nunes
ok i changed up some parameters based on your suggestion. will post them up later. and yes i need the scale because i don't know of any other way to do some upscaling. besides, i'm upscaling the whole picture because of how chroma subsampling works on MPEG2 video codec. _