[FFmpeg-user] Review, for FAQs on running ffmpeg in the background

2017-11-04 Thread Jim DeLaHunt
Hello, ffmpeg users: Many thanks to everyone who has helped make this excellent tool, on which I now rely. I appreciate your efforts. I recently joined the trickle of ffmpeg users who had problems running ffmpeg in the background, because it would get suspended. I too eventually found out ab

Re: [FFmpeg-user] The option of -hwaccel device doesn't works well(FFmpeg n3.4)

2017-11-04 Thread Baek Seung Hoon
Hello, I will share you ffmpeg tests. Please refer the following results. *1. Use Sw-decder, Hw-Encoder with gpu 0* > ffmpeg -y -i ./input.mp4 -c:v h264_nvenc -gpu 0 -c:a copy ./output.mp4 +-+ | Processes:

Re: [FFmpeg-user] Random repetitions in output

2017-11-04 Thread Carl Eugen Hoyos
2017-11-04 17:45 GMT+01:00 Mikael Persson : > The command: > > ffmpeg -i somevideo.someformat %07d.png Complete, uncut console output missing, please remember that only current FFmpeg git head is supported here. You may be searching for -vsync vfr Carl Eugen _

[FFmpeg-user] Random repetitions in output

2017-11-04 Thread Mikael Persson
The command: ffmpeg -i somevideo.someformat %07d.png I would expect this to extract every frame in the sequence and losslessly encode them as png. What actually happens varies with ffmpeg version, 3.3.3 seems to extract all or atleast most frames, but its hard to tell. The version in the ubuntu

Re: [FFmpeg-user] OT: How to download a video

2017-11-04 Thread JD
On 11/04/2017 02:00 PM, DopeLabs wrote: first get the download url using youtube-dl $ youtube-dl -f best -g http://www.pbs.org/video/wfyi-local-productions-temple-makers/ https://ga.video.cdn.pbs.org/videos/wfyi-local-productions/2e9d36ba-d5f6-4d45-84df-b5ca5acd551c/250267/hd-mezzanine-16x9/

Re: [FFmpeg-user] OT: How to download a video

2017-11-04 Thread DopeLabs
first get the download url using youtube-dl $ youtube-dl -f best -g http://www.pbs.org/video/wfyi-local-productions-temple-makers/ https://ga.video.cdn.pbs.org/videos/wfyi-local-productions/2e9d36ba-d5f6-4d45-84df-b5ca5acd551c/250267/hd-mezzanine-16x9/2c382920_l-4055-16x9-mp4-2500k.mp4 then

Re: [FFmpeg-user] The option of -hwaccel device doesn't works well(FFmpeg n3.4)

2017-11-04 Thread James Girotti
On Fri, Nov 3, 2017 at 7:48 PM, Baek Seung Hoon wrote: > Hello, > Thanks to your reply :-) > > As your mentions, Hw decoder already has resize option. > Why I use scale_npp filter with Sw decoder is Hw decoder(=cuvid) couldn't > read some of video files while Sw decoder(=h264) could read it. > So

Re: [FFmpeg-user] OT: How to download a video

2017-11-04 Thread JD
I am using firefox and Inspect element is not working :( Also, I did download the page source, and grep'ed the file for mp4 and found none :( On 11/04/2017 11:51 AM, Moritz Barsnick wrote: On Sat, Nov 04, 2017 at 11:26:42 -0600, JD wrote: Could someone please tell me a linux tool that will dow

Re: [FFmpeg-user] OT: How to download a video

2017-11-04 Thread JD
On 11/04/2017 11:51 AM, Moritz Barsnick wrote: On Sat, Nov 04, 2017 at 11:26:42 -0600, JD wrote: Could someone please tell me a linux tool that will download the video at http://www.pbs.org/video/wfyi-local-productions-temple-makers/ Youtube-dl could not do it. Remember to always use the lat

Re: [FFmpeg-user] OT: How to download a video

2017-11-04 Thread Moritz Barsnick
On Sat, Nov 04, 2017 at 11:26:42 -0600, JD wrote: > Could someone please tell me a linux tool that will download the video at > http://www.pbs.org/video/wfyi-local-productions-temple-makers/ > > Youtube-dl could not do it. Remember to always use the latest version of youtube-dl, as streaming webs

Re: [FFmpeg-user] Shrinking videos

2017-11-04 Thread Moritz Barsnick
On Sat, Nov 04, 2017 at 14:21:46 +0100, Cecil Westerhof wrote: > I need to shrink my videos before uploading. And I also put a small > copyright notice in. For this I use: > Is this a good way, or can it be done better? You need to be a bit more specific regarding your requirements. Why do you nee

[FFmpeg-user] OT: How to download a video

2017-11-04 Thread JD
Could someone please tell me a linux tool that will download the video at http://www.pbs.org/video/wfyi-local-productions-temple-makers/ Youtube-dl could not do it. Thanx. ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/li

[FFmpeg-user] Shrinking videos

2017-11-04 Thread Cecil Westerhof
I need to shrink my videos before uploading. And I also put a small copyright notice in. For this I use: nice -n 20 ionice -t -c3 \ ffmpeg -y \ -i "${INPUT_FILE}" \ -vcodec libx264 \ -crf 26 \ -acodec copy \