Re: [FFmpeg-user] zmq example

2020-10-28 Thread Gyan Doshi
et at trac. Gyan ___ 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] repair black frames?

2020-10-25 Thread Gyan Doshi
rch for "blackdetect" in the documentation See https://video.stackexchange.com/q/23589/ for a starting point. Gyan ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email

Re: [FFmpeg-user] Unknown Option "--enable-libwavpack"

2020-10-03 Thread Gyan Doshi
ffmpeg has a native wavpack encoder. Gyan ___ 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"?

2020-09-28 Thread Gyan Doshi
n for a output stream refers to the output file index. Since you're sending streams to the same output file, they will have the same output file index If you want  to record for posterity which file a stream originated from, add metadata tags per stream e.g.   -metadata:s

Re: [FFmpeg-user] Question about -noauto_conversion_filters

2020-09-14 Thread Gyan Doshi
On 14-09-2020 04:54 pm, Gyan Doshi wrote: On 14-09-2020 03:41 pm, Michael Koch wrote: Am 14.09.2020 um 11:26 schrieb Gyan Doshi: On 14-09-2020 02:47 pm, Michael Koch wrote: ffmpeg -v verbose -f lavfi -i testsrc2=s=svga:d=5,format=yuv422p10le -vf format=rgb48le,lut3d="VLog_to_V709

Re: [FFmpeg-user] Question about -noauto_conversion_filters

2020-09-14 Thread Gyan Doshi
On 14-09-2020 03:41 pm, Michael Koch wrote: Am 14.09.2020 um 11:26 schrieb Gyan Doshi: On 14-09-2020 02:47 pm, Michael Koch wrote: ffmpeg -v verbose -f lavfi -i testsrc2=s=svga:d=5,format=yuv422p10le -vf format=rgb48le,lut3d="VLog_to_V709.cube",format=y

Re: [FFmpeg-user] Question about -noauto_conversion_filters

2020-09-14 Thread Gyan Doshi
filter is redundant with -pix_fmt, so I removed one of them. Gyan ___ 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] LUFS measurment for short length audio

2020-09-14 Thread Gyan Doshi
See https://superuser.com/q/1281327/ Gyan ___ 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] builds for Windows

2020-09-03 Thread Gyan Doshi
On 04-09-2020 02:19 am, Mark Filipak wrote: On 09/03/2020 01:42 AM, Gyan Doshi wrote: On 02-09-2020 11:53 pm, Michael Koch wrote: "ffmpeg.zeranoe.com will close on Sep 18, 2020, and all builds will be removed." Any idea where we can get builds for Windows after this date

Re: [FFmpeg-user] builds for Windows

2020-09-02 Thread Gyan Doshi
nce I make arrangements. Gyan ___ 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] A query on mpegts and global headers

2020-08-30 Thread Gyan Doshi
ing dump_extra for muxers such as mpegts. Regards, Gyan ___ 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] Confused with an example of stream mapping in ffmpeg man page

2020-08-27 Thread Gyan Doshi
apped twice, thus creating two output streams. Then different output options are set for each of those output streams. Gyan ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link

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

2020-08-23 Thread Gyan Doshi
are auto-generated based on other doc sources, so there's no need to maintain separate docs. Yes, there's only one source repository for the documentation text, and the format is texinfo. Gyan ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org ht

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

2020-08-21 Thread Gyan Doshi
On 21-08-2020 11:27 pm, Mark Filipak wrote: On 08/21/2020 12:34 PM, Michael Koch wrote: Am 21.08.2020 um 17:06 schrieb Gyan Doshi: On 21-08-2020 07:30 pm, Michael Koch wrote: Am 21.08.2020 um 15:42 schrieb Mark Filipak: On 08/21/2020 06:44 AM, Gyan Doshi wrote: On 21-08-2020 04:03 pm

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

2020-08-21 Thread Gyan Doshi
On 21-08-2020 07:12 pm, Mark Filipak wrote: On 08/21/2020 06:44 AM, Gyan Doshi wrote: On 21-08-2020 04:03 pm, Michael Koch wrote: Am 21.08.2020 um 12:09 schrieb Gyan Doshi: On 21-08-2020 02:36 pm, Michael Koch wrote: Am 21.08.2020 um 10:50 schrieb Paul B Mahol: On 8/21/20, Michael

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

2020-08-21 Thread Gyan Doshi
On 21-08-2020 07:30 pm, Michael Koch wrote: Am 21.08.2020 um 15:42 schrieb Mark Filipak: On 08/21/2020 06:44 AM, Gyan Doshi wrote: On 21-08-2020 04:03 pm, Michael Koch wrote: Am 21.08.2020 um 12:09 schrieb Gyan Doshi: On 21-08-2020 02:36 pm, Michael Koch wrote: Am 21.08.2020 um 10:50

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

2020-08-21 Thread Gyan Doshi
On 21-08-2020 04:03 pm, Michael Koch wrote: Am 21.08.2020 um 12:09 schrieb Gyan Doshi: On 21-08-2020 02:36 pm, Michael Koch wrote: Am 21.08.2020 um 10:50 schrieb Paul B Mahol: On 8/21/20, Michael Koch wrote: Please add this to the documentation (for example in chapter 20.9 image2

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

2020-08-21 Thread Gyan Doshi
to start a systematic effort in September. Gyan P.S. ffmpeg supports roughly a few dozen image formats. I'll add the missing ones to https://ffmpeg.org/general.html#Image-Formats ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org

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

2020-07-24 Thread Gyan Doshi
that these requirements may mean there is no easy way to satisfy them using FFmpeg. In my experience, Gyan Doshi, who answered your question on Stack Exchange, knows a lot about FFmpeg and is very willing to help. If Gyan says that avoiding re-encoding the video is "not trivial", then that likely mean

Re: [FFmpeg-user] replace several lines by one using the filter_complex

2020-07-09 Thread Gyan Doshi
=start=1260:end=1430,setpts=PTS-STARTPTS[v2];[0:a]atrim=start=7:end=1173,asetpts=PTS-STARTPTS[a1];[0:a]atrim=start=1260:end=1430,asetpts=PTS-STARTPTS[a2];[v1][a1][v2][a2]concat=n=2:v=1:a=1" merged.mp4 Gyan ___ ffmpeg-user mailing list ffmpeg-use

Re: [FFmpeg-user] New and question with -i option

2020-07-09 Thread Gyan Doshi
of every 25 images, since ffmpeg assumes a default frame rate of 25 for image sequences. You can override it by adding -framerate 12 for this input. (And then drop -r 12)     ffmpeg -f image2 -start_number 27 -framerate 12 -i DSC_05%2d.JPG -c:v mpeg4 -b:v 15000k ouverture_four.mp4 Gyan

Re: [FFmpeg-user] trim filter in format HH:MM:SS

2020-07-02 Thread Gyan Doshi
On 03-07-2020 12:53 am, Leonardo via ffmpeg-user wrote: Hello, considering the TRIM filter, is it possible to use format HH:MM:SS or only in seconds? Both. With 'HH:MM:SS', the colons will need to be escaped. Gyan ___ ffmpeg-user mailing list

Re: [FFmpeg-user] Fwd: OBS and OBS Portable Recording Into Same File Simultaneously

2020-06-26 Thread Gyan Doshi
structures in Matroska. This assumes that the two write operations didn't write on top of each other. One saving grace could be that OBS, like ffmpeg, flushes data to files in blocks of 256 kB, although I don't know if this is the case. Gyan ___ f

Re: [FFmpeg-user] Fifo muxer with ISMV output results in corrupted video

2020-06-25 Thread Gyan Doshi
list of flags; those relevant to encoders are conveyed by ffmpeg to that encoder. The fifo muxer isn't a muxer per-se but an intermediary layer dressed up as a muxer. It won't necessarily share the relevant flags with the child muxer, so they have to be manually set

Re: [FFmpeg-user] a q about units

2020-06-16 Thread Gyan Doshi
are the units of 59270674468? No idea, I'd like to know as well though. Here's the code that generates these messages: https://github.com/FFmpeg/FFmpeg/blob/ff3fad6b0edb13dd664403b01bc00309f035b110/libavformat/matroskadec.c#L890 It's byte offset from start of data stream. Gyan

Re: [FFmpeg-user] Converting DTS (timestamps) in mpegts to HH:MM:SS:FF

2020-06-16 Thread Gyan Doshi
. After decoding, lavc will change audio stream time base to stream sampling rate. Gyan ___ 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] Loop filter producing off by one errors?

2020-06-14 Thread Gyan Doshi
to produce 149 frames. Can you identify which frame is missing? Gyan ___ 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] why can't i use drive letter ?

2020-06-14 Thread Gyan Doshi
fed as part of an argument. lut3d='d\:/3DLUTs/001.3DL' Regards, Gyan -- Sent from: http://www.ffmpeg-archive.org/ ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, vis

Re: [FFmpeg-user] ffprobe different outputs for file input and binary data input

2020-06-10 Thread Gyan Doshi
-encoding. And maybe    -map 0    to make sure all input streams are carried over. But some proprietary data streams won't be correctly described in the output file. Gyan ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman

Re: [FFmpeg-user] How to set preview of video?

2020-04-30 Thread Gyan Doshi
On 30-04-2020 12:09 pm, Michael Koch wrote: Am 30.04.2020 um 06:33 schrieb Gyan Doshi: Basic syntax is |ffmpeg -i file.mp4 -ss 15 -i file.mp4 -map 1:v:0 -map 0 \ -filter:v:0 scale=320:-1,trim=end_frame=1 -c copy -c:v:0 mjpeg -disposition:0 attached_pic out.mp4| What's the meaning

Re: [FFmpeg-user] How to set preview of video?

2020-04-29 Thread Gyan Doshi
wondered. can i set 15. seconds of video as thumbnail. without import any video or image? Basic syntax is |ffmpeg -i file.mp4 -ss 15 -i file.mp4 -map 1:v:0 -map 0 \ -filter:v:0 scale=320:-1,trim=end_frame=1 -c copy -c:v:0 mjpeg -disposition:0 attached_pic out.mp4| Gyan

Re: [FFmpeg-user] Changing the crop filter's output width over time?

2020-04-26 Thread Gyan Doshi
On 26-04-2020 06:07 pm, John Hawkinson wrote: Gyan Doshi wrote on Sun, 26 Apr 2020 at 02:03:23 EDT in <76dff16c-331a-534c-fe28-558dae8a8...@gyani.pro>: The temporal parameters t, n and pos are only applicable for x and y expressions. At present, the only way to vary w and h ove

Re: [FFmpeg-user] Changing the crop filter's output width over time?

2020-04-26 Thread Gyan Doshi
an enhancement for the crop filter. Gyan ___ 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] Question on Segment TImes

2020-04-04 Thread Gyan Doshi
\  -f segment  374_%03d.dv -y _ I have tried various combinations of “-increment_tc” and "-reset_timestamps 0" The video splits flawless at the time requ .dv is a bare bones container and does not support timestamps. Try MOV. Gyan ___ f

Re: [FFmpeg-user] Copy all subtitle streams? Possible?

2020-03-29 Thread Gyan Doshi
for subtitles. -codec will not automatically select a stream for other types. See http://ffmpeg.org/ffmpeg.html#Stream-handling Gyan ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe

Re: [FFmpeg-user] Copy all subtitle streams? Possible?

2020-03-29 Thread Gyan Doshi
streams. For stream selection and mapping or lack of, see http://ffmpeg.org/ffmpeg.html#Stream-selection Regards, Gyan ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above

Re: [FFmpeg-user] lagfun misunderstanding?

2020-03-29 Thread Gyan Doshi
and 3rd planes. Gyan ___ 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 change overlay parameter at runtime

2020-03-27 Thread Gyan Doshi
list and syntax of available directives. Gyan ___ 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 change overlay parameter at runtime

2020-03-27 Thread Gyan Doshi
, but that could be easily fixed. overlay already supports commands. Gyan ___ 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] Drop frames during framemd5 calculation of DPX files

2020-03-26 Thread Gyan Doshi
. The full results can be seen in the txt file attached. Please kindly advise on how I can solve this problem as I am unable to resolve it on my own. Some snafu with detected fps. Use ffmpeg -start_number 86400 -i finalDPX_forDCP\Respire%08d.dpx -vsync 0 -f framemd5 allframes_md5.txt Gyan

Re: [FFmpeg-user] typo in vf_hue.c

2020-03-24 Thread Gyan Doshi
On 24-03-2020 01:38 am, Michael Koch wrote: Am 23.03.2020 um 21:03 schrieb Gyan Doshi: On 24-03-2020 01:20 am, Michael Koch wrote: There is a small typo in vf_hue.c  line 139. It's only a comment. The range must be [16;240]. Patch welcome. I can make the change if you don't want

Re: [FFmpeg-user] typo in vf_hue.c

2020-03-23 Thread Gyan Doshi
On 24-03-2020 01:20 am, Michael Koch wrote: There is a small typo in vf_hue.c  line 139. It's only a comment. The range must be [16;240]. Patch welcome. I can make the change if you don't want to. Gyan ___ ffmpeg-user mailing list ffmpeg-user

Re: [FFmpeg-user] Selecting MPEG TS child streams for filter_complex

2020-03-16 Thread Gyan Doshi
On 16-03-2020 06:24 pm, Moritz Barsnick wrote: On Mon, Mar 16, 2020 at 17:32:42 +0530, Gyan Doshi wrote: With loglevel verbose, I get: Reading option '-f' ... matched as option 'f' (force format) with argument '-i'. I wonder why ffmpeg doesn't trip over this first. Whatever. -f is paired

Re: [FFmpeg-user] Selecting MPEG TS child streams for filter_complex

2020-03-16 Thread Gyan Doshi
ose, I get: Reading option '-f' ... matched as option 'f' (force format) with argument '-i'. I wonder why ffmpeg doesn't trip over this first. Whatever. -f is paired with -i and file.ts is interpreted as output URL so -filter_complex gets correctly paired

Re: [FFmpeg-user] disabling scene detection

2020-03-10 Thread Gyan Doshi
OWS/fonts/arialbd.ttf':text=% {frame_num}:start_number=1:fontcolor=black:fontsize=15:x=10:y=10" - pix_fmt rgb24 -c:v qtrle -r 10 test.mov (scale filter prefixed since only some filters can handle changing input without reinit). For image and capture input, -frame

Re: [FFmpeg-user] ffmpeg -i "`rm -rf /???`" ?

2020-03-10 Thread Gyan Doshi
-Substitution.html Gyan ___ 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] filter guidance needed: persisting one colour

2020-03-06 Thread Gyan Doshi
in this case) are persisted for a while (or permanently until the pipeline is restarted if that's easier). The lagfun filter? See https://ffmpeg.org/ffmpeg-filters.html#lagfun Gyan ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org

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

2020-03-02 Thread Gyan Doshi
nfo --note escaped '\'s in path to 'VTS_01_1.VOB'-- fails; "movie=G:\\VIDEO_TS\\VTS_01_1.VOB,showinfo: No such file or directory". Double escape the : and use forward slashes     movie=G\\:/path/to/file Gyan ___ ffmpeg-user mailing

Re: [FFmpeg-user] -movflags +faststart has no effect

2020-02-25 Thread Gyan Doshi
gracefully. For regular MP4 output, this includes flushing the moov atom to file. That makes the file playable. Gyan ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email

Re: [FFmpeg-user] Using FFMpeg to produce LL-HLS

2020-02-17 Thread Gyan Doshi
st results. The GOP size should ideally be a fraction of the segment length, eg 2 seconds. The codec neutral option -g 2 should set that for you. -g is in frames, so -g 50 for a 25 fps stream. Or you could use -force_key_frames Gyan ___ ffmpeg-user ma

Re: [FFmpeg-user] h264 videos are darker

2020-02-16 Thread Gyan Doshi
on. It's the other way around. -pix_fmt as input will be mapped to -pixel_format for the device/raw input demuxer if it exists. As an output option, it inserts a format filter at the end for that output stream. Gyan ___ ffmpeg-user mailing list f

Re: [FFmpeg-user] sendcmd and overlay

2020-02-01 Thread Gyan Doshi
e in the filter chain, regardless of the number of inputs? Not needed. sendcmd isn't tied to any specific filter, since it can be used to send commands to any or all filters in the graph at once. I'll add an example showing sendcmd usage for multi-input filters. Gyan __

Re: [FFmpeg-user] Crop, Scale, Pad without distortion

2020-01-27 Thread Gyan
caling. Is this with a recent build (> 15 Jan 2020)? Gyan ___ 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] Play video and simultaneously record audio

2020-01-18 Thread Gyan
w -audio_buffer_size 100 -channels 2 -i audio="Mikrofon (Realtek High Definiti" -y -map 1:a audio.wav -map 0:v -f sdl2 - Looks better for your needs, but this is dshow specific. Won't be applicable to other live audio sources. Gyan ___ f

Re: [FFmpeg-user] Play video and simultaneously record audio

2020-01-16 Thread Gyan
On 16-01-2020 10:21 pm, Michael Koch wrote: Hello Gyan, can FFmpeg or FFplay be used for playing a video (without audio) and exactly simultaneously record an audio file? I mean for making sound effects for the video. If this isn't possible, is there any other free software that can do

Re: [FFmpeg-user] Play video and simultaneously record audio

2020-01-16 Thread Gyan
it? Basic syntax would be,     ffmpeg -re -i videofile -f audiodevice -i audiourl  -map 1:a audioout.wav -map 0:v -f sdl2 - (At a minimum, you'll need a ffmpeg build with SDL2 enabled; if your package includes ffplay, it'll have it) Gyan ___ ffmpeg

Re: [FFmpeg-user] setting image2 format flag update

2020-01-15 Thread Gyan
Gyan ___ 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] processor time

2020-01-15 Thread Gyan
much processor time is going to encoding and each of the filters? It would help me in making my commands more efficient if I knew which parts were slow. You can add -benchmark_all to get timings for decoding and encoding of each frame. For filtering, see the bench/abench filters. Gyan

Re: [FFmpeg-user] crop filter options

2020-01-12 Thread Gyan
ame error. That also happens if I explicitly name the options, and change the order, defining 'oh' first. 'crop=oh:100:0:0' works after the fix. Make sure you downloaded the latest git build. No release (like 4.2.1) has it yet. Gyan ___ ffmpeg-user mail

Re: [FFmpeg-user] crop filter options

2020-01-12 Thread Gyan
'ffmpeg -i test.mp4 -vf "crop=out_h:100:0:0" testout.mp4' I get the message 'Error when evaluating the expression 'out_h'' There was a bug in the logic, which I corrected a month ago. Works now. Get a current git build. Gyan ___ ffmpeg-user m

Re: [FFmpeg-user] Ametadata output for each frame with file option

2020-01-10 Thread Gyan
On 07-01-2020 05:58 pm, kae...@web.de wrote: On 07-01-2020 04:26 pm, kae...@web.de wrote: On 07-01-2020 04:07 pm, kae...@web.de wrote: Hello all, does somebody has any ideas on that issue? Not clear. Please elaborate. Gyan I'm very sorry, my mail client isn't working properly

Re: [FFmpeg-user] Ametadata output for each frame with file option

2020-01-07 Thread Gyan
On 07-01-2020 04:26 pm, kae...@web.de wrote: On 07-01-2020 04:07 pm, kae...@web.de wrote: Hello all, does somebody has any ideas on that issue? Not clear. Please elaborate. Gyan I'm very sorry, my mail client isn't working properly with the mailing list. I was refering to this thread

Re: [FFmpeg-user] Ametadata output for each frame with file option

2020-01-07 Thread Gyan
On 07-01-2020 04:07 pm, kae...@web.de wrote: Hello all, does somebody has any ideas on that issue? Not clear. Please elaborate. Gyan ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user

Re: [FFmpeg-user] VBR setting is unsupported in libfdk_aac

2019-12-26 Thread Gyan
its value: 1:        32 kbps mono   AAC-LC + SBR + PS 2:        64 kbps stereo AAC-LC + SBR 3:        80 - 96 kbps stereo AAC-LC 4:        128 kbps stereo AAC-LC 5:        192 kbps stereo AAC-LC VBR looks to be unsupported with HE-AAC. Gyan (Avoid top-posting; see https://trac.ffmpeg.org/wiki

Re: [FFmpeg-user] Documentation for input -i options

2019-12-05 Thread Gyan
On 05-12-2019 09:00 pm, John Dexter wrote: On Thu, 5 Dec 2019 at 15:23, Gyan wrote: On 05-12-2019 08:44 pm, John Dexter wrote: Bizarrely am struggling to find a thorough documentation of -i and relying on examples online. Can anyone point me where in the online documentation

Re: [FFmpeg-user] Documentation for input -i options

2019-12-05 Thread Gyan
cannot find a reference. All -i does is specify the input URL. Which options are applicable for an input is determined by the input format / codecs discovered by ffmpeg after probing the input. What specifically are you trying to do? Gyan ___ ffmpeg-user

Re: [FFmpeg-user] Problem with astats and adrawgraph

2019-11-26 Thread Gyan
user know for which parameters it's allowed to use expressions and for which not? I mean without try and error. Run ffmpeg -h filter=asetnsamples to list its options. Option `n` accepts so it expects a number. Gyan ___ ffmpeg-user mailing list f

Re: [FFmpeg-user] Number of frames decoded not = number of frames encoded

2019-11-22 Thread Gyan
there's only one video stream being output with a non-zero first pts, In this mode, the gap at the head of the stream will be filled. Maybe the switch to vscfr shouldn't be automatic and instead be user-selectable. Gyan ___ ffmpeg-user mailing list

Re: [FFmpeg-user] Can ffmpeg convert these mp4 to that mp4?

2019-10-30 Thread Gyan
' in yahoo mail.  Is that okay or wrong? :) See https://trac.ffmpeg.org/wiki/MailingListEtiquette Regards, Gyan ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email

Re: [FFmpeg-user] Resolving -filter_complex overlay / -vf yadif conflicts in subprocess call Python script

2019-09-11 Thread Gyan
On 11-09-2019 06:52 PM, digitensions via ffmpeg-user wrote: Gyan, I am pleased to read yadif only works if interlacing is sensed. I see it has an auto mode, but will it differentiate between upper and lower if sensed also? The "[0]yadif=0:-1:1[v];[v][1]overlay” suggestion seems to

Re: [FFmpeg-user] Resolving -filter_complex overlay / -vf yadif conflicts in subprocess call Python script

2019-09-11 Thread Gyan
ermark.png -filter_complex "[0]yadif=0:-1:1[v];[v][1]overlay" -c:v libx264 -pix_fmt yuv420p -c:a aac -metadata copyright=“blah” -metadata comment=“contact blah” -report output_file The yadif filter will only deinterlace if the frame is marked a

Re: [FFmpeg-user] Audible aax files and concat demuxer

2019-09-04 Thread Gyan
it acts like the -activation_bytes option isn't supplied. This feels like a bug? It's a limitation. The concat demuxer doesn't accept options for the demuxers of the individual file entries. So, you'll have to process them individually first. Gyan

Re: [FFmpeg-user] The official documents of threads option

2019-09-03 Thread Gyan
-codecs.html#Codec-Options Search for threads. Gyan ___ 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] Read values from a text or CSV file?

2019-09-02 Thread Gyan
? Or from a PGM file, as in the remap filter? You can just read the whole filtergraph from a file.     ffmpeg -i in -filter_complex_script graph.txt ... where graph.txt is e.g.     [0:v][2:v]overlay=...[out] Gyan ___ ffmpeg-user mailing list ffmpeg

Re: [FFmpeg-user] ffmpeg video fade in fade out question

2019-08-24 Thread Gyan
peg -ss 10 -i test.mp4 -vf "trim=5:25,fade=type=in:start_time=7:duration=1,fade=type=out:start_time=22:duration=1,setpts=PTS-STARTPTS" -af "atrim=5:25,asetpts=PTS-STARTPTS" outfile Gyan ___ ffmpeg-user mailing list ffmpeg-user

Re: [FFmpeg-user] fade filter crashes ffmpeg

2019-07-28 Thread Gyan
of filter initialization is division by nb_frames. Will add a check. Thanks, Gyan ___ 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] ffmpeg -i reports a video of length 03:17.53, but splitting into frames at 2 fps only results in one frame

2019-07-16 Thread Gyan
is available, so to retime the stream as a 30 fps stream, it would be     -vf setpts=N/30/TB If a framerate value has been set then     -vf setpts=N/FR/TB Gyan ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo

Re: [FFmpeg-user] ffmpeg -i reports a video of length 03:17.53, but splitting into frames at 2 fps only results in one frame

2019-07-16 Thread Gyan
are not uncommon for an MPEG stream. This start time suggests an overflow.  2^33 / 9 =  ~95443.718769 (26h 30m 43s). Could be due to relative PTS offset of 0.5 s. Gyan ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo

Re: [FFmpeg-user] TEE muxer and missing mpegts_flags

2019-06-26 Thread Gyan
for f=mpegts,select=\'0,2\' Next, -latm 1 -profile:a: aac_he applies these options to both audio encodes. Change to -latm:a:0 1 -profile:a:0 aac_he Gyan ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/f

Re: [FFmpeg-user] Confusion about quality parameters

2019-06-25 Thread Gyan
at and convey avctx->qmax (and qmin). Gyan ___ 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] Export TC track as text(file)?

2019-06-17 Thread Gyan
and some flags that inform the player on how to generate timecode for other frames. Gyan ___ 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] Extract a frame

2019-06-13 Thread Gyan
00.10:7447/5c81df8ae41ba66e124ec0af_0 -f image2 -vframes 1 -strftime 1 "C:\timelapse\sunflower-%Y-%m-%d_%H-%M-%S.jpg" Gyan ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit

Re: [FFmpeg-user] concat output defect

2019-06-03 Thread Gyan
-matching or malformed bitstreams. The container does not enter into it. Gyan ___ 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] libx264rgb mov files not playing in browser

2019-06-03 Thread Gyan
videos are not playing in any web browser. Here's the whole command + output. As informed at Super User, this is a browser limitation. Gyan ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe

Re: [FFmpeg-user] filter for changing frame rate

2019-05-13 Thread Gyan
cate and/or drop frames based on the framerate obtained from the filter buffersink. So fps or -r is  needed to modify that. Gyan ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link

Re: [FFmpeg-user] live stream - get data from multimedia filter continuously

2019-05-12 Thread Gyan
On 13-05-2019 12:36 AM, Thomas Seilund wrote: On 12/05/2019 19.25, Gyan wrote: On 12-05-2019 10:43 PM, Thomas Seilund wrote: Hi All I capture video stream from webcam and show video on screen. The same stream goes through the 'metadata' multimedia filter as shown below: ffmpeg -y -f

Re: [FFmpeg-user] live stream - get data from multimedia filter continuously

2019-05-12 Thread Gyan
each frame is processed? Not at present. The file protocol will buffer up to 256 kB and then write out. There is an option to write immediately but it isn't applied to the metadata filter as its I/O context is isolated. I plan to patch that soon-i

Re: [FFmpeg-user] Number of decoded frames in AVStream

2019-05-09 Thread Gyan
of the decoder has a field frame_number that tracks the frames returned to the caller. Gyan ___ 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] AAC Audio Decoding

2019-05-07 Thread Gyan
mailing list. You need to post to the relevant Libav mailing list. See https://lists.libav.org/mailman/listinfo/libav-api Gyan ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link

Re: [FFmpeg-user] using nvdec ignores CFR -r in h264_nvenc decode

2019-04-19 Thread Gyan
are correct again -  i am weeding those out as I test with my backend configuration. Those are carryovers as I transition to h264_nvenc. vsync is a global option and it is applied to transcoded video streams in outputs. Gyan ___ ffmpeg-user mailing list

Re: [FFmpeg-user] Documentation and feature request

2019-04-15 Thread Gyan
3 results in a value of   128 + 3*(100-128) = 44. The order is contrast -> brightness -> gamma. Gyan ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email

Re: [FFmpeg-user] Documentation and feature request

2019-04-15 Thread Gyan
be concatenated), Why not? atempo does it. Gyan ___ 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] anyone using the intel svt-vp9 encoder ?

2019-03-31 Thread Gyan
,     ffmpeg -f rawvideo -c:v vp9 -i file -i input.mp4 -c copy -map 0:v -map 1:a remuxed.mp4 Gyan ___ 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] Rotating webm videos

2019-03-23 Thread Gyan
and a non-zero roll value (yaw, pitch = 0). However, ffmpeg does not write the side-data for this purpose, nor does it read it as such. Not to mention I don't know if other consumers (players, editors) look at it either. Gyan ___ ffmpeg-user mailing list

Re: [FFmpeg-user] Bug in docu for option -loop_output ?

2019-03-19 Thread Gyan
tream_loop should be used. Gyan ___ 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] Problem with -vf fillborders on 16 bit image

2019-03-11 Thread Gyan
ers_inputs[] = {     {     .name   = "default",     .type   = AVMEDIA_TYPE_VIDEO,     .config_props   = config_input,     .filter_frame   = filter_frame,     .needs_writable = 1,     },     { NULL } }; Gyan ___ ffmp

Re: [FFmpeg-user] filter_complex > apad and -shortest

2019-03-04 Thread Gyan
On 04-03-2019 06:01 PM, Jon bae wrote: Am Mo., 4. März 2019 um 13:21 Uhr schrieb Moritz Barsnick : On Mon, Mar 04, 2019 at 17:21:08 +0530, Gyan wrote: Reproduced. Happens when all output streams are emitted from the same filtergraph. [...] Open a ticket at trac.ffmpeg.org, but search first

Re: [FFmpeg-user] filter_complex > apad and -shortest

2019-03-04 Thread Gyan
"[0:v]null" -filter_complex "[0:a]apad,anull" -shortest -f null - Open a ticket at trac.ffmpeg.org, but search first - there may already be one. Thanks, Gyan ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.or

Re: [FFmpeg-user] transcode/convert /copy

2019-03-03 Thread Gyan
edium -crf 23 -pix_fmt yuv420p -color_primaries bt2020 -color_trc smpte2084 -colorspace bt2020nc -color_range tv -ac:a:0 2 -c:a copy -c:a:0 libmp3lame -b:a:0 128k -c:s copy -reserve_index_space 2500k -metadata title="SOMETHING" OUTPUT.mkv Gyan

Re: [FFmpeg-user] Growing file processing

2019-03-02 Thread Gyan
Corrected. Thanks, Gyan ___ 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".

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