[FFmpeg-user] Text shaper in subtitle

Hi, Is it possible to force harfbuzz shaper when using subtitle filter to burn subtitle to a video? It works with ass when selecting shaping=complex Regards, ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg

Re: [FFmpeg-user] combining concat filter with closed caption extraction

Please do not Cc me and heed reply-to headers. Leo Butler (12020-06-11): > Sorry, yes there is a syntax error in my question, but no, that is > irrelevant to my question. It is technically irrelevant, but the syntax error prevents you from seeing the obvious answer. > Rather than creating the fi

Re: [FFmpeg-user] combining concat filter with closed caption extraction

Nicolas George writes: > Leo Butler via ffmpeg-user (12020-06-10): >> ffmpeg -i C.mkv -f lavfi 'movie=C.mkv[out0+subcc]' -map 0 -map 1:s D.mkv > > You are missing a -i in this command line. > >> Question: Is there a way to reduce this to one pass? > > With the -i, it becomes obvious: 'movie=C.mkv

[FFmpeg-user] a q about units

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: p

[FFmpeg-user] non monotonous DTS for audio stream

Hello, I encountered "non-monotonous DTS" error for audio stream while concating two mp4 files, which are available at https://www.dropbox.com/sh/ub3n76mpbcl4aa5/AACEcBlp2MOc7MNMSpQVXXRfa/concat_debug?dl=0&subfolder_nav_tracking=1 I have searched on stackoverflow and the archive of this mailing l

Re: [FFmpeg-user] Issue in video compression

Hi Team, I am extremely sorry that I forgot to attach the command output. Here's the output for the command that I previously used and my video file is not getting compressed. I used the following command:- ffmpeg -i Input0.mov -y -fpre ./preset/mp4_Projector.ffpreset -astrict -2 -vsync vfr -

[FFmpeg-user] help

I want to convert m3u8 to mp4 and i would like to do conversion as well as download on same time. I am running this command *ffmpeg -i ultra.m3u8 -c copy -listen 1 -seekable 1 -f mp4 http://0.0.0.0:8080/test.mp4 * when user trigger this url("http://0.0.0.0:8080/tes

[FFmpeg-user] understanding DVD subtitle palette (was: how to control quality of subtitles)

On Mon, May 25 2020, Peter Münster wrote: > - How can I get information about the palette in an MKV-file? I've found it: ffprobe -v debug file.mkv > - How can I change such a palette? The -palette option seems to work as expected. The question is now rather, what the various viewers do with th

Re: [FFmpeg-user] how to control quality of subtitles

On Wed, Jun 10 2020, Greg Oliver wrote: > Samsungs are notorious for display info from a "Computer" very badly unless > you change the name of the input on the TV to "PC" - yes this includes HDMI > inputs as well. > > Have you tried that? No. The files are served by minidlna. There is no way to c

Re: [FFmpeg-user] Issue in video compression

Perhaps I'm missing something, but... On 6/11/2020 8:27 AM, Chakraborty, Rakesh via ffmpeg-user wrote: ffmpeg -i Input0.mov -y -fpre ./preset/mp4_Projector.ffpreset -astrict -2 -vsync vfr -acodec copy -vcodec copy -s 1280x720 Output0.mp4 (where's the command output? _always_ post the command

[FFmpeg-user] ffmpeg not properly rendering utf8 subtitle srt file

Hello, I am using a utf8 srt file in mac to hardcode subtitle to a video. -- $file -I Ernest_Celestine_2012.srt Ernest_Celestine_2012.srt: text/plain; charset=utf-8 $uname -a Darwin 19.4.0 Darwin Kernel Version 19.4.0: Wed Mar 4 22:28:40 PST 2020; root:xnu-6153.101.6~15/RELEASE_X86_64 x86_64 --

Re: [FFmpeg-user] Issue in video compression

Hi, > The description of preset file that has been used is as follows:- > > vcodec=libx264 > vprofile=main > level=30 > b:v=80 > bufsize=80 > > But the output .mp4 file is not getting compressed. My first thought is that the b:v=80 in the preset file is leading to a constant bit-r

[FFmpeg-user] Issue in video compression

Hi Team, I am currently working with ffmpeg 4.2.2 for video transcoding. My objective is to transcode a particular .mov file to .mp4 file and compress to a significant amount. I am using the following command:- ffmpeg -i Input0.mov -y -fpre ./preset/mp4_Projector.ffpreset -astrict -2 -vsync v

[FFmpeg-user] multicast RTSP/RTP input : timeout

Hello I am struggling to read a multicast audio RTP stream controlled by RTSP. As soon as I launch the ffplay or ffmpeg command, the RTP traffic starts on port 5004/UDP (as advertised in the SDP file), so it should read the stream correctly but I finally get a time-out instead (and empty out file).

Re: [FFmpeg-user] copy encoder settings for cycling platform

On Thu, Jun 11, 2020 at 09:33:55 +0200, Bernd Eller wrote: > I wont upload big files which they reduce from eg. 17GB to 4GB, but i > dont wont upload it in a lesser quality than they re-code > > This mean i want upload it in the same quality or a little bit higher. As Edward said: If your upload p

Re: [FFmpeg-user] removing a segment/segments from video

Am 11.06.2020 um 13:50 schrieb drramimagdi: i have 10min video i want to cut 4 mins to get 6min the output should be 00:00:00-00:02:00 and 00:06:00-00:10:00 so i want to cut 00:02:00-00:06:00 i can do it using avidemux can it done with ffmpeg? i don't want to t

[FFmpeg-user] removing a segment/segments from video

i have 10min video i want to cut 4 mins to get 6min the output should be 00:00:00-00:02:00 and 00:06:00-00:10:00 so i want to cut 00:02:00-00:06:00 i can do it using avidemux can it done with ffmpeg? i don't want to trim then merge the splitted files, i want it

Re: [FFmpeg-user] combining concat filter with closed caption extraction

Of course I have forget it in the post...(-i) I will figure out if I can copy the encoder setting.. Von meinem iPhone gesendet > Am 11.06.2020 um 10:11 schrieb Nicolas George : > > Leo Butler via ffmpeg-user (12020-06-10): >> ffmpeg -i C.mkv -f lavfi 'movie=C.mkv[out0+subcc]' -map 0 -map 1:s

Re: [FFmpeg-user] combining concat filter with closed caption extraction

Leo Butler via ffmpeg-user (12020-06-10): > ffmpeg -i C.mkv -f lavfi 'movie=C.mkv[out0+subcc]' -map 0 -map 1:s D.mkv You are missing a -i in this command line. > Question: Is there a way to reduce this to one pass? With the -i, it becomes obvious: 'movie=C.mkv[out0+subcc]' is just another input,

Re: [FFmpeg-user] copy encoder settings for cycling platform

Hi there, > The Videos a very big and after uploading the Platform will re-encode it to a > small but well working file > > I wont upload big files which they reduce from eg. 17GB to 4GB, but i dont > wont upload it in a lesser quality than they re-code > > This mean i want upload it in the sa

[FFmpeg-user] copy encoder settings for cycling platform

Hello, sorry for that beginner question. I use Garmin Virb to create Videos (synced with GPS) for a online cycling Platform and use some simple ffmpeg commands in the back.. The Videos a very big and after uploading the Platform will re-encode it to a small but well working file I wont upl