Re: [FFmpeg-user] Glossary: d-NTSC & d-PAL

2020-10-03 Thread Jim DeLaHunt
to where the term is defined or used in an important way, e.g. to "Mark's Guide to MPEG-PS Stream Content Structures", section X.Y, "pseudo-NTSC content". Or simply put, what you are drafting in this thread is an entry in Mark's Guide to MPEG-PS, not a glossary entry. In my

Re: [FFmpeg-user] Glossary: d-NTSC & d-PAL

2020-10-01 Thread Jim DeLaHunt
On 2020-10-01 15:37, Mark Filipak (ffmpeg) wrote: On 2020-10-01 15:30, Jim DeLaHunt wrote: It is an improvement that you are now stating the context, "MPEG-PS binary metadata values". You omitted that context before. But you continue to put #2 in the glossary entry, and

Re: [FFmpeg-user] Glossary: d-NTSC & d-PAL

2020-10-01 Thread Jim DeLaHunt
On 2020-10-01 14:13, Mark Filipak (ffmpeg) wrote: On 10/01/2020 03:21 PM, Jim DeLaHunt wrote: -snip- OK, then I think what you have — what you put in your text attachment "d-NTSC & d-PAL .txt" in your previous message — is two single-line glossary entries, conjoined with entrie

Re: [FFmpeg-user] Glossary: d-NTSC & d-PAL

2020-10-01 Thread Jim DeLaHunt
On 2020-10-01 10:50, Mark Filipak (ffmpeg) wrote: On 10/01/2020 01:03 PM, Jim DeLaHunt wrote: On 2020-10-01 06:27, Mark Filipak (ffmpeg) wrote: On 09/30/2020 11:56 PM, Jim DeLaHunt wrote: On 2020-09-30 20:36, Mark Filipak (ffmpeg) wrote: Continuing with relatively non controversial

Re: [FFmpeg-user] Glossary: d-NTSC & d-PAL

2020-10-01 Thread Jim DeLaHunt
On 2020-10-01 06:27, Mark Filipak (ffmpeg) wrote: On 09/30/2020 11:56 PM, Jim DeLaHunt wrote: On 2020-09-30 20:36, Mark Filipak (ffmpeg) wrote: Continuing with relatively non controversial entries: d-NTSC [noun]: 1, The digital equivalent of NTSC distinguished by   binary metadata:   720

Re: [FFmpeg-user] Glossary: d-NTSC & d-PAL

2020-09-30 Thread Jim DeLaHunt
t format or specification the representation applies. To an MPEG-2 video? To a the ISO file corresponding to a DVD?       —Jim DeLaHunt ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, vi

Re: [FFmpeg-user] Glossary: DAR, PAR, and SAR

2020-09-30 Thread Jim DeLaHunt
On 2020-09-30 15:08, Jim DeLaHunt wrote: On 2020-09-30 13:09, Mark Filipak (ffmpeg) wrote: SAR [noun]:…   [2] A standardized set of picture sizes & aspects has been   established: display DAR picture PAR    SAR = DAR/PAR     16:9-2160: 3840 x 2160  16:9 : 38

Re: [FFmpeg-user] Glossary: DAR, PAR, and SAR

2020-09-30 Thread Jim DeLaHunt
e insert printable delimiters into each line? Best regards,     —Jim DeLaHunt ___ 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] How to create "Input #1", "Input #2" etc. in addition to "Input #0"?

2020-09-27 Thread Jim DeLaHunt
On 2020-09-27 17:14, Stub via ffmpeg-user wrote: …When I then do a 'ffprobe' of the resulting output file, I get for example something like this: [… ffprobe output left out for brevity …] The streams that I have selected from the input files, all end up under the "Input #0" of the output

Re: [FFmpeg-user] How to create "Input #1", "Input #2" etc. in addition to "Input #0"?

2020-09-27 Thread Jim DeLaHunt
ay be easier if you give a specific example, with a specific command line and console output, and tell us specifically what about that example is different than what you want. Best regards,     —Jim DeLaHunt ___ ffmpeg-user mailing list ffmpeg-user@f

Re: [FFmpeg-user] how to convert *.cin into *.avi?

2020-09-20 Thread Jim DeLaHunt
on the list will recognise the situation and offer an answer. Best regards, —Jim DeLaHunt ___ 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

Re: [FFmpeg-user] how to convert *.cin into *.avi?

2020-09-19 Thread Jim DeLaHunt
pbox give me a sharing link to that file.  Then I can send just the link. I hope this is helpful for you. Best regards,     —Jim DeLaHunt ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubs

Re: [FFmpeg-user] how to convert *.cin into *.avi?

2020-09-19 Thread Jim DeLaHunt
. Tell us about the *.cin files. What format is that?  What kind of content is in it? Audio? Video? What resolution? What frame rate? 5. What are you expecting will happen? 6. What do you observe actually happening? I hope that helps you get started. Good luck!   —Jim DeLaHunt

Re: [FFmpeg-user] Unable to play or import video files in an app that uses ffmpeg

2020-09-08 Thread Jim DeLaHunt
On 2020-09-08 14:30, Tim Stiles wrote: Hi Jim! Hopefully I'm responding correctly, I'm not used to this email way of posting. Unsure if I'm supposed to add my comments inline. Ehh, you are doing fine. Start by doing a "reply to all", and your email program may indent the messag

Re: [FFmpeg-user] Unable to play or import video files in an app that uses ffmpeg

2020-09-07 Thread Jim DeLaHunt
On 2020-09-07 14:32, Tim Stiles wrote: Thanks guys. I totally get your points about […snip…] On Mon, Sep 7, 2020 at 2:05 PM Chris Miceli wrote: Hi Tim, As Jim was saying it's unfortunately a little difficult from what we can see if it's ffmpeg causing you this trouble. There are bots

Re: [FFmpeg-user] Unable to play or import video files in an app that uses ffmpeg

2020-09-07 Thread Jim DeLaHunt
,   —Jim DeLaHunt ___ 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] Copying sections of an mp4 by time stamp

2020-08-26 Thread Jim DeLaHunt
art of the input video to your desired moment in the video. The documentation calls them "time durations", and means something else by "time stamps". [1] http://ffmpeg.org/documentation.html [2] http://ffmpeg.org/ffmpeg-all.html#Main-options [3] http://ffmpeg.org/ffmpeg-uti

Re: [FFmpeg-user] Some more thoughts on documentation

2020-08-24 Thread Jim DeLaHunt
On 2020-08-24 02:11, Phil Rhodes via ffmpeg-user wrote: On Sunday, 23 August 2020, 21:27:17 BST, Carl Zwanzig wrote: I think we'll have to disagree on that, most of the basic logic should be fairly clear to someone who knows the 'c' language. …There should always be a narrative

Re: [FFmpeg-user] Some more thoughts on documentation

2020-08-24 Thread Jim DeLaHunt
On 2020-08-23 11:07, Carl Zwanzig wrote: …I'm fairly sure that someone will object to a point below. Go ahead, but also suggest something better…. …Original content: … Process to create output docs: … Output organization & formats: … "Rules of the game"? … … This sounds like fun. I'll play!

Re: [FFmpeg-user] "documented implicitly" part 2 [was: Re: Problem while converting DNG sequnece to video file]

2020-08-21 Thread Jim DeLaHunt
On 2020-08-21 03:28, Nicolas George wrote: Jim DeLaHunt (12020-08-20): Nicolas, do you remember this? On 2020-05-01 03:01, Nicolas George wrote [1]: Carl Eugen Hoyos (12020-05-01): -The desired output frame rate. The default is @code{25}. +The output frame rate, in frames per second. May

[FFmpeg-user] A systematic effort for documentation? [was: Re: Why is format=rgb24 required after maskedmerge?]

2020-08-21 Thread Jim DeLaHunt
fulness here, and also on StackOverflow, and for the way you avoid the negative behaviour of some other participants. You represent the better angels of this community. I hope these ideas are helpful for you. I wish you good fortune in this project. I'm glad to help, if there is a way I can a

Re: [FFmpeg-user] "documented implicitly" part 2 [was: Re: Problem while converting DNG sequnece to video file]

2020-08-21 Thread Jim DeLaHunt
On 2020-08-20 17:13, Phil Rhodes via ffmpeg-user wrote: People; This is not a new issue and I'm really rather tired of hearing it discussed. The open source software movement is notorious for creating an absolutely horrible user experience and one of the reasons that happens is because of

Re: [FFmpeg-user] "documented implicitly" part 2 [was: Re: Problem while converting DNG sequnece to video file]

2020-08-20 Thread Jim DeLaHunt
On 2020-08-20 13:56, Nicolas George wrote: Jim DeLaHunt (12020-08-20): Of _course_ FFmpeg supports DNG format. And of _course_ that is not stated in the mis-named documentation, "ffmpeg-all.html". Nor in the other documentation, `ffmpeg -formats`. Nor in the other other documentatio

Re: [FFmpeg-user] "documented implicitly" [was: Re: Why is format=rgb24 required after maskedmerge?]

2020-08-20 Thread Jim DeLaHunt
On 2020-08-20 09:03, Alexander Strasser wrote: I will bring up a point that has become clear to me. Good documentation in general and especially for software is incredibly hard to write and get right! I very much agree: it is incredibly hard. An important companion observation: it is

Re: [FFmpeg-user] "documented implicitly" [was: Re: Why is format=rgb24 required after maskedmerge?]

2020-08-20 Thread Jim DeLaHunt
On 2020-08-19 19:14, Mark Filipak wrote: On 08/19/2020 01:43 PM, Jim DeLaHunt wrote: … Wow, "documented implicitly". This is such a classic FFmpeg project statement. The role of documentation is to explain, explicitly, at a suitable level of detail. What does "documented i

[FFmpeg-user] "documented implicitly" part 2 [was: Re: Problem while converting DNG sequnece to video file]

2020-08-20 Thread Jim DeLaHunt
On 2020-08-20 01:47, Paul B Mahol wrote: On 8/20/20, Michael Koch wrote: Am 20.08.2020 um 10:29 schrieb Paul B Mahol: On 8/20/20, Michael Koch wrote: …[snip]… I think ffmpeg doesn't have a DNG decoder. Or it is completely undocumented. Searching for "DNG" in ffmpeg-all.html finds nothing.

Re: [FFmpeg-user] "documented implicitly" [was: Re: Why is format=rgb24 required after maskedmerge?]

2020-08-19 Thread Jim DeLaHunt
On 2020-08-19 10:53, Paul B Mahol wrote: On 8/19/20, Jim DeLaHunt wrote: On 2020-08-19 07:34, Paul B Mahol wrote: You are deeply confused about our filters. Any filter can change pixel formats to one that they accepts thus gbrp is picked instead of packed rgb, this is already documented

[FFmpeg-user] "documented implicitly" [was: Re: Why is format=rgb24 required after maskedmerge?]

2020-08-19 Thread Jim DeLaHunt
On 2020-08-19 07:34, Paul B Mahol wrote: You are deeply confused about our filters. Any filter can change pixel formats to one that they accepts thus gbrp is picked instead of packed rgb, this is already documented implicitly. Wow, "documented implicitly". This is such a classic FFmpeg project

Re: [FFmpeg-user] Overlaying part of a video by an image file [quickly, without re-encoding the rest]

2020-07-24 Thread Jim DeLaHunt
ubstantial effort to write, test, and deploy the code. You will have to decide if that effort (or hiring someone to make that effort) is worth avoiding the video reencode. Good luck, und schöne Grüße aus Kanada,   —Jim DeLaHunt, software engineer, Vancouv

Re: [FFmpeg-user] How do I increase the playback size of a video without rescaling it?

2020-07-15 Thread Jim DeLaHunt
?     —Jim DeLaHunt ___ 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] Help in improving the documentation is always welcome? [was: write output of find_rect to a file?]

2020-07-12 Thread Jim DeLaHunt
thank you for the help you give on this list. Best regards, —Jim DeLaHunt, software engineer, Vancouver, Canada ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or em

Re: [FFmpeg-user] Help in improving the documentation is always welcome? [was: write output of find_rect to a file?]

2020-07-12 Thread Jim DeLaHunt
rs of FFmpeg would have better experiences. I realise it is not in your individual power to fix this, Moritz. However, I want to be sure you are realistic about the actual situation. Thank you for your help on this list, and for all you do for FFmpeg. Best regards, —Jim DeLaHunt, softw

Re: [FFmpeg-user] Encoding Warnings

2020-06-30 Thread Jim
On 06/29/20 11:18, Moritz Barsnick wrote: On Mon, Jun 29, 2020 at 10:44:04 -0400, Jim wrote: AFAIK, ffmpeg does not have the ability to analyze the volume of every sample throughout an audio file, find the greatest amplitude, calculate the adjustment needed to make the loudest part of the file

Re: [FFmpeg-user] Encoding Warnings

2020-06-30 Thread Jim
n't issue a warning that the newer version does, but it's not important either. Jim ___ 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] Encoding Warnings

2020-06-29 Thread Jim
much for your response Carl. The information you provided means that my script to reprocess video files on Linux is complete! (Assuming I don't run into anything weird when processing different video formats in the future of course. ;) ) I'm happy, happy, happy abou

Re: [FFmpeg-user] Can I convert from .ram to .mp4?

2020-06-17 Thread Jim Shupert
On 6/17/2020 1:59 PM, Reindl Harald wrote: Am 17.06.20 um 19:26 schrieb David: I've watched the video and invoked a simple command: ffmpeg -i 317.ram 317.mp4 which the Windows PowerShell said I had to change to .\ffmpeg -i 317.ram 317.mp4 which I did. I have the ffmpeg.exe file in the same

Re: [FFmpeg-user] a q about units

2020-06-16 Thread Jim Shupert
It's byte offset from start of data stream. Gyan Good info fellas also I find related info from Gyan at https://superuser.com/questions/1512575/why-total-frame-count-is-different-in-ffmpeg-than-ffprobe/1512583#1512583 Thanks again Gyan and

[FFmpeg-user] a q about units

2020-06-11 Thread Jim Shupert
Friends This is a rather general Q when I see dialogue such as [matroska,webm @ 0x7f362c000b80] Read error at pos. 59270674468 (0xdccceb824) as in Input #0, matroska,webm, from 'pipe:': Metadata: ENCODER : Lavf58.29.100 Duration: N/A, start: 0.00, bitrate: 12288 kb/s Stream #0:0: Audio:

Re: [FFmpeg-user] Sending ffmpeg output to virtual usb uvc device in Linux

2020-05-14 Thread Jim Ruxton
A time=00:00:03.58 bitrate=N/A speed=0.998x video:132300kB audio:672kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown Exiting normally, received signal 2. On 2020-05-14 7:43 p.m., Jim Ruxton wrote: I am wondering if there is a way to send ffmpeg output of a stream to a

[FFmpeg-user] Sending ffmpeg output to virtual usb uvc device in Linux

2020-05-14 Thread Jim Ruxton
rawvideo -f v4l2 /dev/video2 -f alsa default Thanks for any tips or thoughts on this. Jim ___ 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

Re: [FFmpeg-user] Q: How to generate sound file with different frequencies for left/right (alternating)

2020-05-14 Thread Jim Shupert
On 5/13/2020 4:06 PM, ffm...@osk.ch wrote: Hello I would like to generate a sound file with two frequencies, sinus, one per channel (left, right) alternating between them. For example: left 0.5 sec 5kHz, then right 0.5 sec 8kHz and so on. I've spent hours reading ffmpeg docs but am

Re: [FFmpeg-user] Captured Audio Stream and Video Streams from YouTube Live are out of Sync

2020-05-11 Thread Jim Ruxton
Thanks Carl, It sounds like I will need to find another way other than ffmpeg for this use case then? Does anyone have any suggestions. I have tried gstreamer but so far haven't had any luck there either. Jim On 2020-05-11 5:32 p.m., Carl Eugen Hoyos wrote: Am Sa., 9. Mai 2020 um 18:48 Uhr

Re: [FFmpeg-user] Captured Audio Stream and Video Streams from YouTube Live are out of Sync

2020-05-09 Thread Jim Ruxton
Thanks Carl, Am 09.05.2020 um 09:14 schrieb Jim Ruxton : I am trying to retrieve a YoutubeLive stream and send the video stream to a video loopback device and the audio to my souncard. This works however it appears that the audio is delayed by a second or so. Is there a better way to do

[FFmpeg-user] Captured Audio Stream and Video Streams from YouTube Live are out of Sync

2020-05-09 Thread Jim Ruxton
to set a delay on the video stream to compensate? Below is my command. I am using the Sky News You Tube Live as a test signal. I am on Ubuntu 19.10 . ffmpeg -re -i $(youtube-dl -g -f 96 https://www.youtube.com/watch?v=9Auq9mYxFEE)  -f v4l2 /dev/video2 -f alsa default Thanks, Jim

[FFmpeg-user] Glossary? [was: Re: Keyframe]

2020-04-21 Thread Jim DeLaHunt
My first nominations for a glossary: "PTS", "timebase", "muxer", "demuxer". Also "frame" and "field", per recent threads here. And "GOP", "I-frames", and "B-frames". -- --Jim DeLaHunt, j...@jdlh.com h

Re: [FFmpeg-user] Failure: No wav codec tag found

2020-04-20 Thread Jim Shupert
On 4/18/2020 9:28 AM, Kieran O Leary wrote: On Sat, Apr 18, 2020 at 12:53 AM Mark Filipak < markfilipak.windows+ffm...@gmail.com> wrote: On 04/17/2020 07:50 PM, Carl Eugen Hoyos wrote: Am Sa., 18. Apr. 2020 um 01:42 Uhr schrieb Mark Filipak : I know that PCM was never used for DVDs DVDs

Re: [FFmpeg-user] decomb versus deinterlace

2020-04-18 Thread Jim DeLaHunt
a book which explained all these concepts clearly and unambiguously?) Best regards,   —Jim DeLaHunt, software engineer, Vancouver, Canada ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit l

Re: [FFmpeg-user] ffmpeg architecture question

2020-04-18 Thread Jim DeLaHunt
, not to a troll.     —Jim DeLaHunt, software engineer, Vancouver, Canada ___ 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

Re: [FFmpeg-user] No such file or directory

2020-04-16 Thread Jim DeLaHunt
riginal post. Also, try your command again, but with "--loglevel verbose" before the "-re". The resulting log will show how FFmpeg is interpreting your parameters. That might turn up a misspelling or something. Best of luck! -- --Jim DeLaHunt, j...@jdlh.com http://bl

Re: [FFmpeg-user] Stuck preparing to compile ffmpeg from git source

2020-04-12 Thread Jim DeLaHunt
2> URL which Carl Eugen cited. So in this round at least, Carl Eugen gave you something a) helpful and b) responsive to your message, and were the one being dismissive. Have fun solving the compile problems!   —Jim DeLaHunt, Vancouver, Canada -- --Jim DeLaHunt, j...@jdlh.com

Re: [FFmpeg-user] Understanding how to use FFmpeg on macOS

2020-03-20 Thread Jim DeLaHunt
trustworthy as this project gets. I said, On Mar 20, 2020, at 4:39 PM, Jim DeLaHunt wrote: …[snip]… When you "Downloaded this file ffmpeg-20200315-c467328-macos64-static", from where did you download it? That filename structure looks different from the filenames linked to from <http:/

Re: [FFmpeg-user] Understanding how to use FFmpeg on macOS

2020-03-20 Thread Jim DeLaHunt
On 2020-03-20 17:14, Tangier Clarke wrote: Hello Jim. I’ll answer you questions or confirm your responses in order. ...[snip]... Thanks for the help. Tangier On Mar 20, 2020, at 4:39 PM, Jim DeLaHunt wrote: On 2020-03-20 14:26, Tangier Clarke wrote: Hello folks. ...[snip]... Thanks

Re: [FFmpeg-user] Understanding how to use FFmpeg on macOS

2020-03-20 Thread Jim DeLaHunt
urrently-used formats. If something stopped working, "ffmpeg withdrew support" is an unlikely cause. "Command line uses wrong options" or "File format is different than I expected" are more likely, with "bug in ffmpeg" some ways behind that. I hope this is helpful.

Re: [FFmpeg-user] Consequences to rude and hostile behaviour

2020-03-01 Thread Jim DeLaHunt
consider that some of the people here are not native English speakers and that it can lead to misunderstanding and the innocent appearance of rudeness. Cool your jets, please. Regards, Mark. On 02/29/2020 08:43 PM, Jim DeLaHunt wrote: FFmpeg core contributors: You are aware that the FFmpeg

[FFmpeg-user] Consequences to rude and hostile behaviour

2020-02-29 Thread Jim DeLaHunt
It makes possible contributors less likely to turn their good intentions into patches to the code and documentation of ffmpeg. The next time you core contributors ponder how to improve this project, and to get some of its load off your shoulders, you might want to consider that. Best regards,

Re: [FFmpeg-user] Ffmeg multi-threading introduction

2020-02-19 Thread Jim Shupert
On 2/18/2020 3:42 AM, Mohammed Bey Ahmed Khernache wrote: Hello, I am novice to programming upon ffmpeg. I would like to know how ffmpeg manages to decode multiple regions of a frame (slices, tiles, NALs, etc) in parallel. Could you point me to the files/functions that do this job? Best regards

Re: [FFmpeg-user] Reading LTC from an audio track?

2019-11-19 Thread Jim Shupert
So the challenge actually is we don’t know the start TC. In fact that’s really all we need. would this help? https://github.com/x42/ltc-tools https://github.com/x42/libltc/releases ltcdump -f 29.97 dog.mp4 2> /dev/null > dog.ltc.txt ___

Re: [FFmpeg-user] Reading LTC from an audio track?

2019-11-19 Thread Jim Shupert
We're hoping there's something in the world of FFMpeg / FFProbe might be able to help here. On Nov 19, 2019, at 6:56 AM, Harvey Pikelberger wrote: Is there a command to tell FFMpeg to read LTC from a specific audio track? I do not know about that but would it help if you made a

Re: [FFmpeg-user] ffmpeg filters

2019-11-15 Thread Jim DeLaHunt
Huntley Film Archives'. I also suggest that you enclose the entire filtergraph in a single pair of double quotes, instead of putting double quotes around each filter description. My experience is that each non-trivial ffmpeg complex filter will drive you mad with its syntax and escaping

Re: [FFmpeg-user] Get Link Stream Output Error "Invalid data found when processing input"

2019-11-12 Thread Jim Shupert
this could be considered a thread hijack  { sorry } sorry but we seem to have had a few windows folks who are submitting screen captures for the "complete console - yada yada" so ; a wee how to might help both ends of this effort one can on windows do a "mark" and copy or do your command

[FFmpeg-user] dpx to prores mov

2019-09-25 Thread Jim Shupert
in advance, any clues would be appreciated. best wishes jim shupert ---:: console output from errors S:\Scans\job_ohist\DPX\H_N-Reel1>ffmpeg -f image2 -framerate 24 -i H_N-Reel1_%07d.dpx -c:v prores_ks -pix_fmt yuv422p10le -profile:v 3 -analyzeduration  6 -probesize 2147483

Re: [FFmpeg-user] Calling FFmpeg from PHP: How to set logfile? (report)

2019-07-28 Thread Jim DeLaHunt
the page by updating it based on what you have found out about calling ffmpeg from PHP? Since it's stale, there should be lots of opportunity for improvements. -- --Jim DeLaHunt, j...@jdlh.com http://blog.jdlh.com/ (http://jdlh.com/) multilingual websites consultant

Re: [FFmpeg-user] Detecting upscaled video (resolution), detecting lower to higher encoding

2019-07-19 Thread Jim Shupert
On 7/19/2019 5:26 AM, Marc Roos wrote: Is there a way to ffmpeg or maybe another tool that detects if video has been re-coded to a higher resolution? For instance if I am offered two downloads one 720p and one 1080p. I have sometimes the impression that the 1080p is just the 720p converted to

Re: [FFmpeg-user] Panasonic GH4 4K live stream using ffmpeg

2019-07-15 Thread Jim Shupert
On 7/15/2019 4:10 AM, Fred Perie wrote: On Mon, Jul 15, 2019 at 1:46 AM Michael Shaffer wrote: Can anyone recommend a good HDMI input card that will work with ffmpeg in Ubuntu Linux? Thanks, Michael Shaffer ___ ffmpeg-user mailing list

Re: [FFmpeg-user] Help with Concatenating Please

2019-04-04 Thread Jim DeLaHunt
On 2019-04-04 07:58, Mark Scott wrote: Thank you for the Info, Jim. Here's the command line that I use to batch encode ProRes HQ. My master files are already the correct size and frame rate, so that info is not included. mkdir outputs for f in *.mov; do ffmpeg -i "$f" -c:v prores -p

Re: [FFmpeg-user] Help with Concatenating Please

2019-04-03 Thread Jim DeLaHunt
rs to that. On 2019-04-03 14:01, Mark Scott wrote: I'm very new to ffmpeg and I don't have much experience using command lines to encode video…. Ah. You are in for an adventure, then. *ffmpeg* can do many things, but "gently introduce people to use of command lines" is not usually

[FFmpeg-user] ffmpeg not stopping when the OUTPUT connection goes down

2019-02-21 Thread Jim Carroll
the wrong approach. Shouldn't ffmpeg exit with an error code if the output rtmp connection goes down? Thanks Jim ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or em

Re: [FFmpeg-user] audio channel manipulation

2019-01-22 Thread Jim Shupert
Good observation. Not only is the size identical to the original, but also the codec. ;-) What Jim erroneously did was to use the command line options "-c copy -c:a pcm_s24le" *after* "-vcodec ffv1" - which implies that the video is copied. Jim, you need to reorder those o

Re: [FFmpeg-user] audio channel manipulation

2019-01-21 Thread Jim Shupert
On 1/21/2019 2:45 PM, Moritz Barsnick wrote: On Mon, Jan 21, 2019 at 14:01:52 -0500, Jim Shupert wrote: if it is in 4 streams you can pick which to hear. My capture system captures 10bit unc mov video [0:0]  ( 4ch_test.mov ) and the 4 audio "tracks" are found in 1 stream as 4 chann

[FFmpeg-user] audio channel manipulation

2019-01-21 Thread Jim Shupert
Friends, I think I have a solution to my needs. My purpose here is to share and ask if there is a better way to achieve my goal. I would be happy to the thoughts of others. This matter of audio mapping , channel selection is something that i wished I understood better. Goal: capture from

Re: [FFmpeg-user] Need assistance finding l transcoding

2018-12-18 Thread Jim Shupert
;) strictly prohibited. If you have received this transmission in error, please reply to the sender listed above immediately and permanently delete this message from your inbox. :) I am not so sure i " received this transmission in error " but -- ok -- i deleted it

Re: [FFmpeg-user] filters zoompan and crop

2018-11-01 Thread Jim DeLaHunt
On 2018-11-01 15:02, S Andreason wrote: Jim DeLaHunt wrote: . I want to generate an overlay to zoom in, have the input png start small, and grow to half the video size, like from 20 to 320 in width. Starting the zoompan at z=0.1 does not seem to work. Take a look at the *pad* filter <h

Re: [FFmpeg-user] filters zoompan and crop

2018-10-29 Thread Jim DeLaHunt
On 2018-10-29 01:38, Paul B Mahol wrote: On 10/29/18, Jim DeLaHunt wrote: My experience with the *zoompan* filter is that the /in/ parameter (input frame number) is 2 for the first frame, rather than 0 as is usual for ffmpeg. I think that this is partly a bug (see <https://trac.ffmpeg.

Re: [FFmpeg-user] filters zoompan and crop

2018-10-29 Thread Jim DeLaHunt
On 2018-10-28 23:15, Gyan wrote: On Mon, Oct 29, 2018 at 11:38 AM Jim DeLaHunt wrote: A zoom argument of /k/ is interpreted as if the input image was drawn /k /times its original size, or equivalently, that the output image is 1//k/ the size of the input image. That should be k^2

Re: [FFmpeg-user] filters zoompan and crop

2018-10-29 Thread Jim DeLaHunt
the documentation isn't adequate, and you need to read the source code in ffmpeg/libavfilter/vf_zoompan.c, lines 153-250, function output_single_frame(). Thank you I hope this is helpful for you.   —Jim DeLaHunt, Vancouver, Canada -- --Jim DeLaHunt, j...@jdlh.com http:/

Re: [FFmpeg-user] Obscure Watermarking with ffmpeg possible?

2018-10-16 Thread Jim Shupert
A big player on obscure watermarking is "nexguard" ( https://dtv.nagra.com/watermarking) Nexguard has an API for implementing their technology in external transcoders. Maybe this would be a possible solution for using obscure watermarking with ffmpeg? isn't nexguard an expensive solution? --

Re: [FFmpeg-user] ffmpeg pop and deesser filters

2018-07-31 Thread Jim Shupert
. I would like to add an audio filter to get rid of 'pop' and 'ess' sounds, especially present when pronouncing the 'p' sound and 's' and 'sh' sounds respectively. Does anyone have a suggestion for which (free linux) filters do this well and work well with ffmpeg? I've been looking into

Re: [FFmpeg-user] Anyone having success capturing hours of 4k video, reliably and with low loss, using ffmpeg?

2018-07-31 Thread Jim DeLaHunt
that a 4th would be easily possible with newer hardware, so I'd say 4k is well doable (though it would make sense to use ssds) Thank you, Bryce. This is exactly the sort of first-hand report from the field I was hoping to get. You are awesome! -- --Jim DeLaHunt, j...@jdlh.com http://blog.jdlh.com

Re: [FFmpeg-user] Anyone having success capturing hours of 4k video, reliably and with low loss, using ffmpeg?

2018-07-29 Thread Jim DeLaHunt
ors, but maybe my boss doesn't want to pay me to learn all of that. -- --Jim DeLaHunt, j...@jdlh.com http://blog.jdlh.com/ (http://jdlh.com/) multilingual websites consultant 355-1027 Davie St, Vancouver BC V6E 4L2, Canada Canada mobile +1-604-376-8

Re: [FFmpeg-user] Anyone having success capturing hours of 4k video, reliably and with low loss, using ffmpeg?

2018-07-29 Thread Jim DeLaHunt
On 2018-07-25 16:01, Rafael Lima wrote: Jim, Teorically there is no limitation on ffmpeg that would make it fail because of the long running time... there are many stream serveres built with ffmpeg running on 24hours basis. Thank you, Rafael. It's helpful to have anecdotes like this.  It would

Re: [FFmpeg-user] Anyone having success capturing hours of 4k video, reliably and with low loss, using ffmpeg?

2018-07-25 Thread Jim DeLaHunt
as pretty easy", maybe I encourage my boss to let me homebrew a solution. In either case, we will have to test it. Thank you all for your replies,    —Jim DeLaHunt, Vancouver, Canada -- -- --Jim DeLaHunt, j...@jdlh.com http://blog.jdlh.com/ (http://jdlh.com/) multilingual web

Re: [FFmpeg-user] Top posting?

2018-07-25 Thread Jim DeLaHunt
a participant can go from the wrong way to the right way. Anyway, please don't do it. If you really want to train new list participants to excerpt and bottom-post, then I believe that linking to that FAQ text, and improving that text, will pay dividends. I hope this helps both the frequent respond

Re: [FFmpeg-user] Anyone having success capturing hours of 4k video, reliably and with low loss, using ffmpeg?

2018-06-28 Thread Jim DeLaHunt
On 2018-06-28 14:21, Carl Eugen Hoyos wrote: 2018-06-28 21:58 GMT+02:00, Jim DeLaHunt : We tried a simple experiment. We set up a 4K camera in the office. A straightforward ffmpeg invocation did capture a couple of minutes of video. But there were nasty artifacts Command line and complete

[FFmpeg-user] Anyone having success capturing hours of 4k video, reliably and with low loss, using ffmpeg?

2018-06-28 Thread Jim DeLaHunt
2 hours continuously or ffmpeg for 4K video at 29.92 fps, I'd love to hear it. [1] <https://ffmpeg.org/pipermail/ffmpeg-user/2018-February/038895.html> -- --Jim DeLaHunt, j...@jdlh.com http://blog.jdlh.com/ (http://jdlh.com/) multilingual websites consultant 355-1027 Da

Re: [FFmpeg-user] How add expression in drawtext's text

2018-06-04 Thread Jim DeLaHunt
he name "n". Drawtext's "y" value is set to the same number as drawbox's "y" value. Now I tested these examples with my video and my font. They may not work exactly the same in your system. You may have to adjust the numbers. You may also have to fix any silly mist

Re: [FFmpeg-user] Zoompan filter, frame counts seem to start from 2 and 1, not 0 -- expected behaviour?

2018-06-03 Thread Jim DeLaHunt
Opened ticket https://trac.ffmpeg.org/ticket/7242 "zoompan filter variables 'in' and 'on' start at 2, 1 instead of at 0" . -- --Jim DeLaHunt, j...@jdlh.com http://blog.jdlh.com/ (http://jdlh.com/) multilingual websites consultant 355-1027 Davie St, Vancouver

Re: [FFmpeg-user] Zoompan filter, frame counts seem to start from 2 and 1, not 0 -- expected behaviour?

2018-06-02 Thread Jim DeLaHunt
On 2018-06-02 03:25, Gyan Doshi wrote: On 02-06-2018 02:39 PM, Jim DeLaHunt wrote: But even without the *crop* filter, the *zoompan* filter appears to be starting its *in* and *on* frame counts at 3 and 2: That should be "2 and 1" You are right! Thank you for catching this.

Re: [FFmpeg-user] Zoompan filter, frame counts seem to start from 2 and 1, not 0 -- expected behaviour?

2018-06-02 Thread Jim DeLaHunt
5kbits/s speed=7.98x video:106kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.837148% -- --Jim DeLaHunt, j...@jdlh.com http://blog.jdlh.com/ (http://jdlh.com/) multilingual websites consultant 355-1027 Davie St, Vancouver BC V6E 4L2, Canada

[FFmpeg-user] Zoompan filter, frame counts seem to start from 2 and 1, not 0 -- expected behaviour?

2018-06-02 Thread Jim DeLaHunt
7.00     Last message repeated 1 times 2718009.00 3142008.00 frame=    8 fps=0.0 q=12.1 Lsize= 107kB time=00:00:00.28 bitrate=3127.5kbits/s speed=7.95x video:106kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.837148% Thank you for any insight you

Re: [FFmpeg-user] Audio Desynchronization When Utilizing Segmentation

2018-03-26 Thread Jim Shupert
On 3/25/2018 9:30 PM, Gabriel Balaich wrote: -i video="Video (00 Pro Capture HDMI 4K+)" a question - what is your capture card? ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe,

Re: [FFmpeg-user] use question

2018-03-08 Thread Jim Shupert
I see that you are a windows usr. 1st - i would suggest linux ( i could expand on the benefits ) 2nd- try something like this in a file.bat @echo off cd for /f %%a IN ('dir /b *.mp4') do  ( ffmpeg.exe -i %%a -y < your ffmpeg cmd instructions of choice>   %%~na_frame%d.png )

Re: [FFmpeg-user] I'm writing a tutorial involving ffmpeg - could you please fact-check?

2018-02-26 Thread Jim DeLaHunt
environment variables like $INRES, $FPS, $CBR, but I don't see any text that explains they are variables, not literal parameters to the command. Nor do I see an explanation of what values they should be set to. Nor  do I see an explanation of why these values, but not others, are provided

[FFmpeg-user] Question Falcc for mathmatically lossless

2018-02-09 Thread Jim Shupert
friends, I wish to know more about flac audio encoding in ffmpeg , i am just starting. I see by the documentation : FLAC (Free Lossless Audio Codec) Encoder compression_level Sets the compression level, which chooses defaults for many other options if they are not set explicitly. Valid

Re: [FFmpeg-user] Quicktime reference files

2018-01-17 Thread Jim Shupert
On 1/17/2018 7:18 AM, Carl Eugen Hoyos wrote: 2018-01-04 9:52 GMT+01:00 Kasper Folman : I’m having a hard time working something out with quicktime reference files. I also have struggled with this . The use of quicktime reference files. but it was some time ago . indeed I gave

Re: [FFmpeg-user] Lossless and colour preserving pix_fmt?

2018-01-10 Thread Jim DeLaHunt
On 2018-01-10 20:15, Carl Eugen Hoyos wrote: 2018-01-11 4:52 GMT+01:00 Jim DeLaHunt <from.ffmpeg-u...@jdlh.com>: On 2018-01-07 21:29, Jim DeLaHunt wrote: Hello, ffmpeg'rs: I'm trying to overlay animated GIFS onto one white background, with some text at the top. I'm l

Re: [FFmpeg-user] Lossless and colour preserving pix_fmt?

2018-01-10 Thread Jim DeLaHunt
On 2018-01-07 21:29, Jim DeLaHunt wrote: Hello, ffmpeg'rs: I'm trying to overlay animated GIFS onto one white background, with some text at the top.  I'm looking for an incantation which a) does the job and b) leaves all the colours of the animated gifs unchanged. What options tell ffmpeg

[FFmpeg-user] Lossless and colour preserving pix_fmt?

2018-01-07 Thread Jim DeLaHunt
me into filter network: Invalid argument Error while processing the decoded data for stream #0:0 Conversion failed! How do I tell ffmpeg not to mess with the colour values of this video/animated GIF? Thanks in advance,       —Jim DeLaHunt, Vancouver, Canada -- --Jim DeLaHunt, j...@jdlh.

Re: [FFmpeg-user] image2 examples missing `-f image2`, can that be right?

2018-01-07 Thread Jim DeLaHunt
On 2018-01-07 16:24, Carl Eugen Hoyos wrote: 2018-01-08 1:12 GMT+01:00 Jim DeLaHunt <from.ffmpeg-u...@jdlh.com>: On 2018-01-07 15:20, Carl Eugen Hoyos wrote: ...[snip]... I hope this helps, I will close your ticket (and try to explain there). Sorry, this was apparently misleading: I am

Re: [FFmpeg-user] image2 examples missing `-f image2`, can that be right?

2018-01-07 Thread Jim DeLaHunt
On 2018-01-07 13:29, Moritz Barsnick wrote: On Sun, Jan 07, 2018 at 12:55:20 -0800, Jim DeLaHunt wrote: Harrumph. "Just try it first" is practical advice for this project, it seems. LOL. I was just referring to doubts regarding the documentation. OTOH, some details are not

Re: [FFmpeg-user] image2 examples missing `-f image2`, can that be right?

2018-01-07 Thread Jim DeLaHunt
://trac.ffmpeg.org/ticket/6950#comment:2 -- --Jim DeLaHunt, j...@jdlh.com http://blog.jdlh.com/ (http://jdlh.com/) multilingual websites consultant 355-1027 Davie St, Vancouver BC V6E 4L2, Canada Canada mobile +1-604-376-8953

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