[FFmpeg-user] Set timeout with linux named pipe

2019-09-26 Thread 张凯
Hi, My command is below. ffmpeg -y -thread_queue_size 128 -use_wallclock_as_timestamps 1 -f h264 -i test/15210660145/2/vback -thread_queue_size 128 -use_wallclock_as_timestamps 1 -f g726 -ar 8000 -i test/15210660145/2/aback -acodec aac -vcodec copy -f flv

Re: [FFmpeg-user] trouble shooting defective FFmpeg install on Windows 10?

2019-09-26 Thread Carl Zwanzig
On 9/26/2019 3:46 PM, Spencer Graves wrote:   When we did File > Open (or Import) > [a *.MOV file], we got a message saying FFmpeg for Audacity was required.  But we have it. I think this is more likely to be a Audacity issue than an ffmpeg one. That said, if you have any developer tools

[FFmpeg-user] ERROR RTSP - TIMESTAMPS ARE UNSET

2019-09-26 Thread Alejandro Escudero
Hi I am getting an RTSP stream from a DLink camera but I am getting this error: Timestamps are unset in a packet for stream 0. This is deprecated and will stop working in the future. Fix your code to set the timestamps properly This is the command: (I also tried adding -fflags +genpts but i

[FFmpeg-user] trouble shooting defective FFmpeg install on Windows 10?

2019-09-26 Thread Spencer Graves
Hello:   What would you suggest I do to troubleshoot a defective install of FFmpeg for Audacity on Windows 10?   A colleague installed FFmpeg for Audacity 2.2.2 on a Windows 10 computer.  Edit > Preferences > Libraries > "FFmpeg Library:" = "C:\Program Files (x86)\FFmpeg for

Re: [FFmpeg-user] Listing the hardware accelerators

2019-09-26 Thread Carl Eugen Hoyos
Am Do., 26. Sept. 2019 um 21:13 Uhr schrieb Verachten Bruno : > I have different environments (X86, ARM, Jetson Nano) on which I'd like to > use hardware encoders and decoders if available. > I guess that I won't be able to use them if they have not been built in the > ffmpeg dependencies if I

[FFmpeg-user] Listing the hardware accelerators

2019-09-26 Thread Verachten Bruno
Hi List, I have different environments (X86, ARM, Jetson Nano) on which I'd like to use hardware encoders and decoders if available. I guess that I won't be able to use them if they have not been built in the ffmpeg dependencies if I install a "generic" version. Will the configure command

Re: [FFmpeg-user] wrong colors in animated GIF

2019-09-26 Thread Michael Koch
Hi Javier, I suspect it is something about the palette generated. I have been using palettegen and paletteuse filters lately, and they have worked out fine for me. This command is working as you might expect: ffmpeg -y -i sidereal.gif -filter_complex

Re: [FFmpeg-user] Play FFV1

2019-09-26 Thread Noeck
Am 26.09.19 um 16:01 schrieb Carl Eugen Hoyos: > Most likely, ffv1 was created with high compression in mind, … I know. I still hoped I could watch it. > There is a slices setting but I doubt it will help in your case. I tested some slice settings and they are always at least the number of

Re: [FFmpeg-user] Play FFV1

2019-09-26 Thread Noeck
> What video resolutions? 1920 x 1080 at 50 fps. ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".

Re: [FFmpeg-user] Play FFV1

2019-09-26 Thread Carl Eugen Hoyos
Am Do., 26. Sept. 2019 um 15:44 Uhr schrieb Noeck : > I tried to play videos encoded in FFV1 (FFV1 and FLAC in an mkv > container). All players (ffplay, vlc, totem) show only some still images > about every 10 - 20 s but no smooth video. The videos are encoded using > ffmpeg. > > Is my Intel Core

Re: [FFmpeg-user] Play FFV1

2019-09-26 Thread Paul B Mahol
On 9/26/19, Noeck wrote: > Hi, > > I tried to play videos encoded in FFV1 (FFV1 and FLAC in an mkv > container). All players (ffplay, vlc, totem) show only some still images > about every 10 - 20 s but no smooth video. The videos are encoded using > ffmpeg. > > Is my Intel Core i5-4570 CPU with 4

Re: [FFmpeg-user] wrong colors in animated GIF

2019-09-26 Thread Carl Eugen Hoyos
Am Do., 26. Sept. 2019 um 15:25 Uhr schrieb Michael Koch : > > Am 26.09.2019 um 15:06 schrieb Carl Eugen Hoyos: > > Am Do., 26. Sept. 2019 um 15:00 Uhr schrieb Michael Koch > > : > > > >> I'm using this animated GIF as input http://gosper.org/sidereal.gif > >> and process it with the most simple

Re: [FFmpeg-user] wrong colors in animated GIF

2019-09-26 Thread Javier Infante Porro
Hi Michael, - Mensaje original - > De: "Michael Koch" > Para: "FFmpeg user questions" > Enviados: Jueves, 26 de Septiembre 2019 14:50:50 > Asunto: [FFmpeg-user] wrong colors in animated GIF > > Hi, > > I'm using this animated GIF as input http://gosper.org/sidereal.gif > and process

Re: [FFmpeg-user] wrong colors in animated GIF

2019-09-26 Thread Michael Koch
Am 26.09.2019 um 15:06 schrieb Carl Eugen Hoyos: Am Do., 26. Sept. 2019 um 15:00 Uhr schrieb Michael Koch : I'm using this animated GIF as input http://gosper.org/sidereal.gif and process it with the most simple FFmpeg command line: ffmpeg -i sidereal.gif -y out.gif Did you also try the

Re: [FFmpeg-user] wrong colors in animated GIF

2019-09-26 Thread Carl Eugen Hoyos
Am Do., 26. Sept. 2019 um 15:00 Uhr schrieb Michael Koch : > I'm using this animated GIF as input http://gosper.org/sidereal.gif > and process it with the most simple FFmpeg command line: > > ffmpeg -i sidereal.gif -y out.gif Did you also try the following "most simple FFmpeg commamd line"?

[FFmpeg-user] wrong colors in animated GIF

2019-09-26 Thread Michael Koch
Hi, I'm using this animated GIF as input http://gosper.org/sidereal.gif and process it with the most simple FFmpeg command line: ffmpeg -i sidereal.gif -y out.gif Why are the colors wrong in the output? I did already try to add   -vf format=pix_fmts=rgb24   but the output is the same.

Re: [FFmpeg-user] Frame-accurate seekingin FFplay?

2019-09-26 Thread Paul B Mahol
On 9/23/19, Stuart Bruce wrote: > Hello > > I've been tasked with making a Python-based, cross-platform application > that centres around (but which is not limited to) a central video player > window. As a regular user of FFmpeg, I want to use FFplay, via the > ffpyplayer library. > > However the