Re: [FFmpeg-user] How to download video stream starting at an earlier time?

On Mon, 16 Aug 2021 23:29:22 +0200, "Carlos E. R." wrote: >Google: download youtube video cut with ffmpeg > > > >$ youtube-dl --external-downloader ffmpeg --external-downloader-args >"-ss 00:01:00.00 -to

Re: [FFmpeg-user] Integration of ffmpeg

Hi Jim, I ran it without redirecting the output and it worked. I prefer writing all the output to a log file, but if it works, that is more important in this case. Marc. On Mon, Aug 16, 2021 at 10:21 PM The Admin wrote: > Hi Jim, > > Thanks for suggesting the -nostdin option.

Re: [FFmpeg-user] Integration of ffmpeg

Hi Jim, Thanks for suggesting the -nostdin option. Unfortunately, it didn't work. I am redirecting the output of the subprocess to a file on Windows log file. *Log file highlights* Parameters written to a file named *filter.txt *from a batch file echo

Re: [FFmpeg-user] Integration of ffmpeg

On 2021-08-16 17:38, The Admin wrote: Hi, Here the command that works fine at the command prompt. C:\progra~1\GloboTRAC\ffmpeg\bin\ffmpeg.exe -i a0.m3u8 -i a1.m3u8 -i a2.m3u8 -filter_complex

Re: [FFmpeg-user] Integration of ffmpeg

Hi, Here the command that works fine at the command prompt. C:\progra~1\GloboTRAC\ffmpeg\bin\ffmpeg.exe -i a0.m3u8 -i a1.m3u8 -i a2.m3u8 -filter_complex "[0]adelay=0:all=1[0a];[1]adelay=17650:all=1[1a];[2]adelay=37510:all=1[2a];[0a][1a][2a]amix=inputs=3[a]" -map "[a]" -y all_audio.mp4 When I

Re: [FFmpeg-user] How to download video stream starting at an earlier time?

On 2021-08-16T23:29:19+0200, Bo Berglund wrote: > What is different about a youtube url and some other domain url? A Youtube url is a program-url which first needs to be translated to a direct video-url. -- Reino ___ ffmpeg-user mailing list

Re: [FFmpeg-user] How to download video stream starting at an earlier time?

On 2021-08-16T23:20:27+0200, Carl Zwanzig wrote: > It's a reasonable assumption; if ffmpeg doesn't, just say so. FFmpeg's documentation doesn't mention support for parsing websites like Youtube-dl does, so I'd disagree. -- Reino ___ ffmpeg-user

Re: [FFmpeg-user] How to download video stream starting at an earlier time?

On 16/08/2021 23.29, Bo Berglund wrote: > On Mon, 16 Aug 2021 22:59:58 +0200, Reino Wijnsma wrote: > >> On 2021-08-16T22:00:24+0200, Bo Berglund wrote: >>> $ ffmpeg -ss 3600 -i https://youtu.be/DM-I6UugaFs -preset veryfast -crf 25 >>> -c:a >>> copy -t 600 output.mp4 >> >> What makes you think

Re: [FFmpeg-user] How to download video stream starting at an earlier time?

On Mon, 16 Aug 2021 22:59:58 +0200, Reino Wijnsma wrote: >On 2021-08-16T22:00:24+0200, Bo Berglund wrote: >> $ ffmpeg -ss 3600 -i https://youtu.be/DM-I6UugaFs -preset veryfast -crf 25 >> -c:a >> copy -t 600 output.mp4 > >What makes you think FFmpeg supports Youtube urls? What is different

Re: [FFmpeg-user] How to download video stream starting at an earlier time?

On 16/08/2021 23.20, Carl Zwanzig wrote: > On 8/16/2021 1:59 PM, Reino Wijnsma wrote: >> What makes you think FFmpeg supports Youtube urls? > > It's a reasonable assumption; if ffmpeg doesn't, just say so. Google: download youtube video cut with ffmpeg

Re: [FFmpeg-user] Integration of ffmpeg

Not a lot of info to go on. On 8/16/2021 1:50 PM, The Admin wrote: Can you help me with this? Help up by providing the complete command and complete output of what you're trying (as the list FAQ directs). Does the command execute at all or run for a while but not finish? Have you tried

Re: [FFmpeg-user] How to download video stream starting at an earlier time?

On 8/16/2021 1:59 PM, Reino Wijnsma wrote: What makes you think FFmpeg supports Youtube urls? It's a reasonable assumption; if ffmpeg doesn't, just say so. z! ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org

Re: [FFmpeg-user] How to download video stream starting at an earlier time?

On 2021-08-16T22:00:24+0200, Bo Berglund wrote: > $ ffmpeg -ss 3600 -i https://youtu.be/DM-I6UugaFs -preset veryfast -crf 25 > -c:a > copy -t 600 output.mp4 What makes you think FFmpeg supports Youtube urls? -- Reino ___ ffmpeg-user mailing list

[FFmpeg-user] Integration of ffmpeg

Hello, I have been using your command line tool and it works fine to mix audio files and video files. I am trying to automate the command tool using C# and it just hangs. When I copy the command into a CMD window, it works fine. Specifically, I am using the amix command to combine multiple

Re: [FFmpeg-user] How to download video stream starting at an earlier time?

On Mon, 16 Aug 2021 11:30:23 +0100, DEF wrote: >> What would the ffmpeg command to accomplish this look like? > >then you add -ss 3600 before your input!! I tried but got this: $ ffmpeg -ss 3600 -i https://youtu.be/DM-I6UugaFs -preset veryfast -crf 25 -c:a copy -t 600 output.mp4 ffmpeg

[FFmpeg-user] h264_qsv encoder doesn't support changing input dimensions

Hi, I have a cmd like this to convert mjpeg into h264 using the qsv hw encoder on windows: ffmpeg.exe -loglevel debug -use_wallclock_as_timestamps 1 -f mjpeg -hwaccel qsv -c:v mjpeg_qsv -i - -movflags empty_moov -frag_duration 10 -nostats -metadata rotate=0 -vf format=qsv -c:v h264_qsv

Re: [FFmpeg-user] Why FFMPEG?

On 2021-08-16T16:15:47+0200, Android PowerUser wrote: > For me, changing apps is quick. If so, you would have practically nothing > to work with. Can you please move this off-topic discussion off-list?! -- Reino ___ ffmpeg-user mailing list

Re: [FFmpeg-user] Why FFMPEG?

Reindl Harald schrieb am Mo., 16. Aug. 2021, 16:07: > > > Am 16.08.21 um 15:58 schrieb Android PowerUser: > > Android PowerUser schrieb am Mo., 16. Aug. 2021, > > 15:56: > > > >> > >> > >> Reindl Harald schrieb am Mo., 16. Aug. 2021, > >> 15:28: > >> > >>> > >>> > >>> Am 16.08.21 um 15:25

Re: [FFmpeg-user] Why FFMPEG?

Am 16.08.21 um 15:58 schrieb Android PowerUser: Android PowerUser schrieb am Mo., 16. Aug. 2021, 15:56: Reindl Harald schrieb am Mo., 16. Aug. 2021, 15:28: Am 16.08.21 um 15:25 schrieb Android PowerUser: You don't seem to have read the article yet. Better find out more about

Re: [FFmpeg-user] Why FFMPEG?

Android PowerUser schrieb am Mo., 16. Aug. 2021, 15:56: > > > Reindl Harald schrieb am Mo., 16. Aug. 2021, > 15:28: > >> >> >> Am 16.08.21 um 15:25 schrieb Android PowerUser: >> > > You don't seem to have read the article yet. Better find out more about > it before you write about it. Saying

Re: [FFmpeg-user] Why FFMPEG?

Reindl Harald schrieb am Mo., 16. Aug. 2021, 15:28: > > > Am 16.08.21 um 15:25 schrieb Android PowerUser: > > Reindl Harald schrieb am Mo., 16. Aug. 2021, > 15:08: > > > >> > >> > >> Am 16.08.21 um 15:03 schrieb Reindl Harald > >>> how do you imagine having your IDE, mail-lcient, monitorings

Re: [FFmpeg-user] Why FFMPEG?

Am 16.08.2021 um 15:28 schrieb Reindl Harald: with you idiotic phone 50% auf my day would be wasted by swiching apps and say "ok, all fine there" can you please continue this discussion off-list Michael ___ ffmpeg-user mailing list

Re: [FFmpeg-user] Why FFMPEG?

Am 16.08.21 um 15:25 schrieb Android PowerUser: Reindl Harald schrieb am Mo., 16. Aug. 2021, 15:08: Am 16.08.21 um 15:03 schrieb Reindl Harald: child i don't write FRONTEND CRAP - i run the servers, the networks, the backends how do you imagine to maintain a 25 (250k) lines

Re: [FFmpeg-user] Why FFMPEG?

Reindl Harald schrieb am Mo., 16. Aug. 2021, 15:08: > > > Am 16.08.21 um 15:03 schrieb Reindl Harald: > > child i don't write FRONTEND CRAP - i run the servers, the networks, the > > backends > > > > how do you imagine to maintain a 25 (250k) lines codebase on a > > smartphone? > > > > how

Re: [FFmpeg-user] Why FFMPEG?

Am 16.08.21 um 15:03 schrieb Reindl Harald: child i don't write FRONTEND CRAP - i run the servers, the networks, the backends how do you imagine to maintain a 25 (250k) lines codebase on a smartphone? how do you imagine matain 20 servers at the same time efficient on a smartphone?

Re: [FFmpeg-user] Why FFMPEG?

Am 16.08.21 um 14:56 schrieb Android PowerUser: Reindl Harald schrieb am Mo., 16. Aug. 2021, 14:26: power-users are working in terminals and the main-usage of a GUI is to have more than one terminal and show the clock For you again the definition of power user:

Re: [FFmpeg-user] Why FFMPEG?

Reindl Harald schrieb am Mo., 16. Aug. 2021, 14:26: > > > > >power-users are working in terminals and the main-usage of a GUI is to > have more than one terminal and show the clock > For you again the definition of power user: https://de.m.wikipedia.org/wiki/Power-User English is apparently not

Re: [FFmpeg-user] Why FFMPEG?

Am 16.08.21 um 13:22 schrieb Android PowerUser: And that as a Power-User you tend to write more than click with mouse or type on touch displays ... I would probably know that as someone who uses smart devices for an average of 8 hours a day well, how would you given that you are a tap /

Re: [FFmpeg-user] Why FFMPEG?

Reindl Harald schrieb am Mo., 16. Aug. 2021, 09:33: > > > >hopefully i die before i retire because when your generation needs to > pay my rentirement dark days are coming > Perhaps your first social engagement would ever be dying... > ___ ffmpeg-user

Re: [FFmpeg-user] Why FFMPEG?

Reindl Harald schrieb am Mo., 16. Aug. 2021, 09:31: > > >yeah, why ffmpeg on a fucking smartphone - only god knows > So also believe in things that do not exist ... Sure, everyone can believe > what he / she wants, but if you believe in any "beings", you may also > refuse to say that general

[FFmpeg-user] Problem using RIST protocol

Hi, I am using ffmpeg version 4.4. I am trying to use RIST protocol for output. I use the following command to generate RIST output: ffmpeg -re -i input.mp4 -c copy -f mpegts -rist_profile simple rist:// 236.0.0.2:3 This command works fine and starts streaming. I use the following ffplay

Re: [FFmpeg-user] How to download video stream starting at an earlier time?

On Mon, 16 Aug 2021 at 07:57, Bo Berglund wrote: > > Is it possible to download a live video stream on youtube using ffmpeg such > that > it starts *earlier* than current time and lasts for a set time? > > If I use a browser I can start the viewing at an earlier time by two ways: > 1) I open the

Re: [FFmpeg-user] How to lossless crop mp4 videos

Am 16.08.21 um 09:44 schrieb Nicolas George: Ulf Zibis (12021-08-16): if I understand correct, mp4 videos are encoded in blocks of 16x16 pixels. I I'm wondering if I could crop a video by multiples of 16 pixels without reencoding the remaining blocks. It depends on the codec, not the format.

Re: [FFmpeg-user] How to lossless crop mp4 videos

Ulf Zibis (12021-08-16): > if I understand correct, mp4 videos are encoded in blocks of 16x16 > pixels. I I'm wondering if I could crop a video by multiples of 16 > pixels without reencoding the remaining blocks. It depends on the codec, not the format. With a codec like MJPEG, it is possible.

Re: [FFmpeg-user] Why FFMPEG?

Am 16.08.21 um 04:01 schrieb Android PowerUser: Android PowerUser schrieb am Mo., 16. Aug. 2021, 03:54: Ich finde es schade. FFMPEG war für mich super einfach zu benutzen. Einfach ein paar Kommandos die man sogar einfach aus dem netz abschreiben könnte und fertig. Sorry again for the

Re: [FFmpeg-user] Why FFMPEG?

Am 16.08.21 um 03:54 schrieb Android PowerUser: Carl Zwanzig schrieb am Mo., 16. Aug. 2021, 03:15: (rendering an hour of HD video on a PHONE is just stupid). Yes, that's really annoying when it runs in the background and doesn't bother you ... The question was actually why FFMPEG. Why

[FFmpeg-user] How to download video stream starting at an earlier time?

Is it possible to download a live video stream on youtube using ffmpeg such that it starts *earlier* than current time and lasts for a set time? If I use a browser I can start the viewing at an earlier time by two ways: 1) I open the video URL and then I drag the right side of the progress bar