Re: [FFmpeg-user] CPU and GPU

2020-03-02 Thread Mark Filipak
I hope what the analogies below will help folks better understand the technology we use. Transistors are to logic gates as quarks are to electrons, protons, and neutrons. Logic gates come in 2 flavors: AND and OR, and it's from them alone that all other digital elements are made. Logic

Re: [FFmpeg-user] CPU and GPU

2020-03-02 Thread Mark Filipak
On 03/02/2020 11:14 AM, Carl Eugen Hoyos wrote: Am Mo., 2. März 2020 um 14:35 Uhr schrieb Mark Filipak : That is not what I meant. What I'm getting at is that it appears that the latest streaming protocols & methods are being developed via ffmpeg, then being tested-debugged-retested-etc. via

Re: [FFmpeg-user] What argument(s) does 'ashowinfo' take?

2020-03-02 Thread Mark Filipak
On 03/02/2020 09:35 AM, Gyan Doshi wrote: On 02-03-2020 06:24 pm, Mark Filipak wrote: On 03/01/2020 06:47 PM, Dan Bridges wrote: On 2/03/2020 9:12 am, Mark Filipak wrote: This: C:\CMD & tiny apps\ffmpeg >ffprobe -f lavfi amovie=G:\VIDEO_TS\VTS_01_1.VOB,ashowinfo --note current working

Re: [FFmpeg-user] Difference between video filters "copy" and "null"?

2020-03-02 Thread Paul B Mahol
On 3/2/20, Michael Koch wrote: > Is there a difference between the video filters "copy" and "null"? Yes, null does really nothing, copy filter copies/recreates new frame and destroy old one. In output this should give no actual difference at all. ___

[FFmpeg-user] Difference between video filters "copy" and "null"?

2020-03-02 Thread Michael Koch
Is there a difference between the video filters "copy" and "null"? Michael ___ 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

Re: [FFmpeg-user] What argument(s) does 'ashowinfo' take?

2020-03-02 Thread Reino Wijnsma
On 2020-03-02T15:35:11+0100, Gyan Doshi wrote: > On 02-03-2020 06:24 pm, Mark Filipak wrote: >> C:\CMD & tiny apps\ffmpeg >ffprobe -f lavfi >> amovie=G:\\VIDEO_TS\\VTS_01_1.VOB,ashowinfo >> --note escaped '\'s in path to 'VTS_01_1.VOB'-- >> fails; "movie=G:\\VIDEO_TS\\VTS_01_1.VOB,showinfo: No

Re: [FFmpeg-user] Basic dash muxing

2020-03-02 Thread Carl Eugen Hoyos
Am Mo., 2. März 2020 um 15:48 Uhr schrieb Jesús Aguilar Armijo : > 1.- The input video is a 20 seconds h265 encoded video from a .yuv file, > is that input correct? I understand that the dash command creates > segments and manifest files from a previously encoded video, so it > should be correct

Re: [FFmpeg-user] Tricks for fragmented mp4

2020-03-02 Thread andrei ka
wget -O - -o /dev/null http://wycutters.wyscout.com/box/argentina/velez_test_g1234567.mp4 | ffprobe.new -i - On Mon, Mar 2, 2020 at 4:01 PM Gabriele Greco wrote: > Hi guys, > > there is a way to probe a fragmented mp4 available through FTP faster? The > operation is almost instant on a local

Re: [FFmpeg-user] CPU and GPU

2020-03-02 Thread Ted Park
Hi, > What is implemented in FPGAs is not solely so-called software-in-silicon. > Sometimes it is software-in-silicon -- marginal speedup -- but usually > software algorithms are realized as systems of FSMs (finite state machines) > -- huge speedup -- that simply mimic the original software

Re: [FFmpeg-user] CPU and GPU

2020-03-02 Thread Carl Eugen Hoyos
Am Mo., 2. März 2020 um 14:35 Uhr schrieb Mark Filipak : > That is not what I meant. What I'm getting at is that it appears that > the latest streaming protocols & methods are being developed via ffmpeg, > then being tested-debugged-retested-etc. via ffmpeg users, then > implemented in FPGAs by

[FFmpeg-user] Tricks for fragmented mp4

2020-03-02 Thread Gabriele Greco
Hi guys, there is a way to probe a fragmented mp4 available through FTP faster? The operation is almost instant on a local file, while it takes almost 1 minute with a very good internet connection. This test file is a 3 hours video file made with ffmpeg in fragmented mode, every fragment is 1

[FFmpeg-user] Basic dash muxing

2020-03-02 Thread Jesús Aguilar Armijo
Dear ffmpeg community, I want to perform a basic DASH segmentation. I took the DASH command example from the documentation and I tried to reduce it to the basics so I can learn better what I am doing, using 2 second segments. I previously did with HLS and it worked properly. Using the

Re: [FFmpeg-user] What argument(s) does 'ashowinfo' take?

2020-03-02 Thread Gyan Doshi
On 02-03-2020 06:24 pm, Mark Filipak wrote: On 03/01/2020 06:47 PM, Dan Bridges wrote: On 2/03/2020 9:12 am, Mark Filipak wrote: ffprobe -ashowinfo -i g:\VIDEO_TS\VTS_01_1.VOB According to https://hhsprings.bitbucket.io/docs/programming/examples/ffmpeg/audio_visualization/ashowinfo.html

Re: [FFmpeg-user] CPU and GPU

2020-03-02 Thread Mark Filipak
On 03/02/2020 07:24 AM, Moritz Barsnick wrote: On Mon, Mar 02, 2020 at 04:57:23 -0500, Mark Filipak wrote: I used to work at Intel as a product line architect. I sat on 3 divisional planning councils, including graphics processors, and co-chaired one. [OT, sorry] OT, eh? Just like

Re: [FFmpeg-user] What argument(s) does 'ashowinfo' take?

2020-03-02 Thread Mark Filipak
On 03/01/2020 06:47 PM, Dan Bridges wrote: On 2/03/2020 9:12 am, Mark Filipak wrote: ffprobe -ashowinfo -i g:\VIDEO_TS\VTS_01_1.VOB According to https://hhsprings.bitbucket.io/docs/programming/examples/ffmpeg/audio_visualization/ashowinfo.html I used this format  for showinfo and ashowinfo

Re: [FFmpeg-user] CPU and GPU

2020-03-02 Thread Moritz Barsnick
On Mon, Mar 02, 2020 at 04:57:23 -0500, Mark Filipak wrote: > I used to work at Intel as a product line architect. I sat on 3 > divisional planning councils, including graphics processors, and > co-chaired one. [OT, sorry] BTW, I have worked as Intel Corp. as well, incidentally both in graphics

Re: [FFmpeg-user] What argument(s) does 'ashowinfo' take?

2020-03-02 Thread Moritz Barsnick
On Sun, Mar 01, 2020 at 19:39:02 -0500, Mark Filipak wrote: > On 03/01/2020 06:49 PM, Carl Eugen Hoyos wrote: > > No arguments, see: > > $ ffmpeg -help filter=ashowinfo > > Thanks, Carl. Are there any usage examples? Since it doesn't take any arguments (or environment variables or input files),

Re: [FFmpeg-user] CPU and GPU

2020-03-02 Thread Mark Filipak
On 03/02/2020 05:12 AM, Carl Eugen Hoyos wrote: Am Mo., 2. März 2020 um 10:57 Uhr schrieb Mark Filipak : I used to work at Intel as a product line architect. I sat on 3 divisional planning councils, including graphics processors, and co-chaired one. Later, I represented Wyse Technology in

Re: [FFmpeg-user] CPU and GPU

2020-03-02 Thread Carl Eugen Hoyos
Am Mo., 2. März 2020 um 10:57 Uhr schrieb Mark Filipak : > I used to work at Intel as a product line architect. I sat on 3 > divisional planning councils, including graphics processors, and > co-chaired one. Later, I represented Wyse Technology in industry > technology standards, engineering

Re: [FFmpeg-user] CPU and GPU

2020-03-02 Thread Mark Filipak
On 03/02/2020 03:56 AM, Carl Eugen Hoyos wrote: Am Mo., 2. März 2020 um 03:48 Uhr schrieb Mark Filipak : So codec engineering companies like NGCodec, MainConcept, Beamr and MulticoreWare turn open source-based, ffmpeg workflows into FPGAs that, when mature firmware implementations, chip

Re: [FFmpeg-user] CPU and GPU

2020-03-02 Thread Carl Eugen Hoyos
Am Mo., 2. März 2020 um 03:48 Uhr schrieb Mark Filipak : > So codec engineering companies like NGCodec, MainConcept, Beamr and > MulticoreWare turn open source-based, ffmpeg workflows into FPGAs that, > when mature firmware implementations, chip companies like Intel & NVIDIA > turn into real