Re: [FFmpeg-user] How to send sequence of PNG files over network for ffmpeg to render?

2018-07-23 Thread Andrew Stuart
>> My goal is for ffmpeg to be running and listening on a network port, then >> from another machine to send the PNG sequence over the network directly into >> ffmpeg, and have the resulting video file saved. >> So I need to work out how to configure ffmpeg to listen on the network for a >> seq

Re: [FFmpeg-user] How to build static fontconfig with ffmpeg?

2018-07-23 Thread qw
Hi, >Wonder if it should be >or use another configure command : ./configure --disable-shared >--enable-static LDFLAGS="-L/usr/local/lib" LIBS="-lfreetype -lharfbuzz > -lpng" > >If that doesn't work maybe the circular dep. with harfbuzz and free >type isn't trivial? It doesn't work. I combine lib

Re: [FFmpeg-user] -f segment and -id3v2_version 3 seems not working together

2018-07-23 Thread Gyan Doshi
On 24-07-2018 01:26 AM, Lukasz Rybski wrote: ffmpeg -i "source.mp3" -f segment -segment_time 120 -c copy -id3v2_version 3 -metadata artist="myartist" -metadata album="myalbum" r:\%03d_nas.mp3" When using the segment muxer, the private options for the file format muxer have to be relayed via

Re: [FFmpeg-user] How to send sequence of PNG files over network for ffmpeg to render?

2018-07-23 Thread zhangkai.gis
Hi Andrew, Maybe you can write a software to listen on a port, and then rewrite the pngs to FIFO. and start ffmpeg from the software.the ffmpeg's input can be a FIFO. 2018-07-24 zhangkai.gis From:Andrew Stuart Date:2018-07-24 10:17 Subject:[FFmpeg-user] How to send sequence of PNG files ov

[FFmpeg-user] How to send sequence of PNG files over network for ffmpeg to render?

2018-07-23 Thread Andrew Stuart
OK I’ve done a ton of research, and have found tantalizing hints, but can’t really work out if this is possible. Currently I use ffmpeg to pick up a sequence of PNG files from the disk render them into a video. Works great - no problems. My goal is for ffmpeg to be running and listening on a n

Re: [FFmpeg-user] ffmpeg audio distortion using blackmagic

2018-07-23 Thread Carl Zwanzig
On 7/23/2018 3:47 PM, Marton Balint wrote: On Mon, 23 Jul 2018, Flumotion Support wrote: If I understood you correctly to avoid corruption, I need to add the option -async 1 -vsync 1 in my ffmpeg pipeline is this correct?, No, for "frame sync" I meant a real hardware frame synchronizer device.

Re: [FFmpeg-user] ffmpeg audio distortion using blackmagic

2018-07-23 Thread Marton Balint
On Mon, 23 Jul 2018, Flumotion Support wrote: Hello everybody If I understood you correctly to avoid corruption, I need to add the option -async 1 -vsync 1 in my ffmpeg pipeline is this correct?, No, for "frame sync" I meant a real hardware frame synchronizer device. https://en.wikipedia.o

[FFmpeg-user] -f segment and -id3v2_version 3 seems not working together

2018-07-23 Thread Lukasz Rybski
Hi Everyone, I would like to split mp3 into parts and add id3tag v 2.3 using below command: ffmpeg -i "source.mp3" -f segment -segment_time 120 -c copy -id3v2_version 3 -metadata artist="myartist" -metadata album="myalbum" r:\%03d_nas.mp3" As a result I get splited mp3 with default id3tag v 2.4.

Re: [FFmpeg-user] Use multiple lavfi input generators

2018-07-23 Thread Nicolas George
Elliott Balsley (2018-07-23): > Ah, I figured it out! It works in ffmpeg, not in ffplay. ffplay can only play one input. But you can have two streams in a single lavfi definition. ffplay -f lavfi 'testsrc[out0];sine[out1]' > Now is > the

Re: [FFmpeg-user] Use multiple lavfi input generators

2018-07-23 Thread Elliott Balsley
Ah, I figured it out! It works in ffmpeg, not in ffplay. Now is there any way to make the sine filter output 24bit? I can convert it on output like this, but I wonder if it would be faster to do it on input instead. ffmpeg -f lavfi -i testsrc=1920x1080 -f lavfi -i sine=frequency=800:sample_r

[FFmpeg-user] Use multiple lavfi input generators

2018-07-23 Thread Elliott Balsley
I’m having trouble figuring out the syntax for this. I want to generate a test file using video testsrc and audio sine wave. I can do both separately, but how can I get both together? ffplay -f lavfi -i testsrc=s=1920x1080 (this works) ffplay -f lavfi -i sine=frequency=800 (this works) ffplay

Re: [FFmpeg-user] Using a AMD Radeon RX5xx with ffmpeg

2018-07-23 Thread Dennis Mungai
Hello there, Here's something you can try: ffmpeg -init_hw_device vaapi=amd:/dev/dri/renderD129 -hwaccel vaapi -hwaccel_output_format vaapi -hwaccel_device amd -filter_hw_device amd -i fs_experiental_method.avi -vf 'format=nv12|vaapi,hwupload' -y -c:v h264_vaapi -qp:v 21 -sei +identifier+timing+r

Re: [FFmpeg-user] Transcode rtmp to rtsp

2018-07-23 Thread Kenneth Kouba
Is h.264 the same and can ffmpeg re broadcast this. Ie. Rtmp to h.264? Regards, Ken Kouba Sr. Systems Analyst Orland Park Police 708-364-4908 -Original Message- From: ffmpeg-user [mailto:ffmpeg-user-boun...@ffmpeg.org] On Behalf Of Micael Silva Sent: Monday, July 23, 2018 3:12 PM To:

Re: [FFmpeg-user] Transcode rtmp to rtsp

2018-07-23 Thread Micael Silva
On Mon, Jul 23, 2018 at 4:59 PM, Kenneth Kouba wrote: > Micael, > Ok but if the ffmpeg server is also the broadcast server, thanks. > > Regards, > Ken Kouba > Sr. Systems Analyst > Orland Park Police > 708-364-4908 > > > > -Original Message- > From: ffmpeg-user [mailto:ffmpeg-user-boun..

Re: [FFmpeg-user] Transcode rtmp to rtsp

2018-07-23 Thread Kenneth Kouba
Micael, Ok but if the ffmpeg server is also the broadcast server, thanks. Regards, Ken Kouba Sr. Systems Analyst Orland Park Police 708-364-4908 -Original Message- From: ffmpeg-user [mailto:ffmpeg-user-boun...@ffmpeg.org] On Behalf Of Micael Silva Sent: Monday, July 23, 2018 2:30 PM

[FFmpeg-user] Using a AMD Radeon RX5xx with ffmpeg

2018-07-23 Thread Lukas Obermann
Hi all, I want to use a RX570 for transcoding with ffmpeg. Have been looking into this for some time now and testing around various things. I use Ubuntu 18.04 and I have it running with VAAPI. But the performance is not good imo. For a 1080p file I only get like 1.8x speed. I was expecting some

Re: [FFmpeg-user] Transcode rtmp to rtsp

2018-07-23 Thread Micael Silva
On Mon, Jul 23, 2018 at 3:35 PM, Kenneth Kouba wrote: > I need a way to take live stream from an rtmp source and rebroadcast it as > rtsp, is this possible. What would the cli look like? > > Regards, > Ken Kouba > Sr. Systems Analyst > Orland Park Police > 708-364-4908 > [OPPDlogoHiResNewSmall] >

Re: [FFmpeg-user] Blu-Ray Batch Conversion

2018-07-23 Thread William Caulfield
On Mon, Jul 23, 2018 at 9:46 AM, Josh Blagden wrote: > Hi folks, > > I have some Blu-Rays that I'd like to convert for my Roku. For most > of them, I just need to convert the audio track from DTS to another > codec. I think I've got the basics of FFMPEG, but I'd like to be able to > do these

[FFmpeg-user] Blu-Ray Batch Conversion

2018-07-23 Thread Josh Blagden
Hi folks,     I have some Blu-Rays that I'd like to convert for my Roku. For most of them, I just need to convert the audio track from DTS to another codec. I think I've got the basics of FFMPEG, but I'd like to be able to do these conversions in batches (i.e. a season at a time) instead of having

[FFmpeg-user] Transcode rtmp to rtsp

2018-07-23 Thread Kenneth Kouba
I need a way to take live stream from an rtmp source and rebroadcast it as rtsp, is this possible. What would the cli look like? Regards, Ken Kouba Sr. Systems Analyst Orland Park Police 708-364-4908 [OPPDlogoHiResNewSmall] ___ ffmpeg-user mailing list

[FFmpeg-user] Copying time stamp metadata

2018-07-23 Thread Abhinav Kashyap
Hello, I am trying to find out how can I copy timestamp related metadata from a file to another ? My input file has UNIX timestamp (start time) which is what i need to copy. Here is what I am doing or have tried: 1) Read a video file frame by frame in OpenCV 2) Modify frames (image processing s

Re: [FFmpeg-user] Poor NDI performance

2018-07-23 Thread Micael Silva
On Sun, Jul 22, 2018 at 3:59 PM, Marton Balint wrote: > > On Wed, 18 Jul 2018, Micael Silva wrote: > > On Wed, Jul 18, 2018 at 8:13 AM, Jon wrote: >> >> On Tue, 17 Jul 2018 at 23:15, Carl Eugen Hoyos >>> wrote: >>> > >>> > 2018-07-17 20:16 GMT+02:00, Jon : >>> > > After successfully compiling f

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

2018-07-23 Thread Rafael Lima
> > They set up a 4k camera on top of a building (have electricity, but > limited internet), 4K on limited internet? is just in my mind that those two words doesn't fit together? What do you mean by " capture 6-12 hours of 4k 29.92fps video from that camera"? Is the camera streaming the video

[FFmpeg-user] Blu-Ray Batch Conversion

2018-07-23 Thread Josh Blagden
Hi folks,     I have some Blu-Rays that I'd like to convert for my Roku. For most of them, I just need to convert the audio track from DTS to another codec. I think I've got the basics of FFMPEG, but I'd like to be able to do these conversions in batches (i.e. a season at a time) instead of having

Re: [FFmpeg-user] Autolaunch FFMPEG when network traffic detected

2018-07-23 Thread Anthony Griffiths
On Mon, Jul 23, 2018 at 4:34 PM, yannickb wrote: > Yes, I should have started with the setup description: > > I have several (i)Phones that send mpeg-ts/udp video stream over LTE to a > debian 9.0 computer with a Blackmagic Decklink Quad with up to 8 SDI output. > I link each phone to a SDI Output

Re: [FFmpeg-user] Autolaunch FFMPEG when network traffic detected

2018-07-23 Thread robertlazarski
On Mon, Jul 23, 2018 at 9:34 AM, yannickb wrote: > I wish I could monitor each of those ports and launch the corresponding > command automatically as soon as the incoming stream is detected (and stop > when the stream ends) > > > One advantage of using a Linux distro like Debian as you mention, i

Re: [FFmpeg-user] Autolaunch FFMPEG when network traffic detected

2018-07-23 Thread yannickb
Yes, I should have started with the setup description: I have several (i)Phones that send mpeg-ts/udp video stream over LTE to a debian 9.0 computer with a Blackmagic Decklink Quad with up to 8 SDI output. I link each phone to a SDI Output. from the command line, I manually launch an instance of

Re: [FFmpeg-user] Best option for live stream

2018-07-23 Thread Micael Silva
On Mon, Jul 23, 2018 at 11:20 AM, Roger Pack wrote: > This page https://trac.ffmpeg.org/wiki/StreamingGuide > may be useful to ya. > > On Fri, Jul 20, 2018 at 5:20 AM, hans gerte wrote: > > Hi all. > > need some advise on parameters for live streaming. > > This is currently my string, it takes t

Re: [FFmpeg-user] Decoding frames as fast as possible

2018-07-23 Thread Roger Pack
Does ffprobe take 20s? On Tue, Jul 3, 2018 at 2:23 AM, Evan wrote: > Hi everyone, > > I'm developping a media player featuring advanced video/frame processing. > To be able to seek to any particular frame, I need to know, for each frame, > its presentation time and if available, if it's a key fra

Re: [FFmpeg-user] How to build static fontconfig with ffmpeg?

2018-07-23 Thread Roger Pack
Wonder if it should be or use another configure command : ./configure --disable-shared --enable-static LDFLAGS="-L/usr/local/lib" LIBS="-lfreetype -lharfbuzz -lpng" If that doesn't work maybe the circular dep. with harfbuzz and free type isn't trivial? On Tue, Jul 17, 2018 at 7:20 AM, qw wrote:

Re: [FFmpeg-user] FFMPEG configure FAILD

2018-07-23 Thread Roger Pack
At the end /tmp/ffconf.QPyKsvYV/test.c:1:23: error: lame/lame.h: No such file or directory you probably need to set CPATH to your include dir and LIBRARY_PATH to your lib dir ref: https://github.com/rdp/ffmpeg-windows-build-helpers/blob/master/cross_compile_ffmpeg.sh#L2140 GL! On Fri, Jul 20,

[FFmpeg-user] RTP streaming and port blocking

2018-07-23 Thread Lokesh Bhat
I'm using the following command to stream ffmpeg -re -f alsa -ac 1 -ar 8000 -i hw:1 -f rtp rtp://192.168.0.25:9000 when the streaming starts, ffmpeg blocks the port 9000. Hence I can't use any other applications to listen on 9000. I have a need where i need to write and listen on the same port si

Re: [FFmpeg-user] Best option for live stream

2018-07-23 Thread Roger Pack
This page https://trac.ffmpeg.org/wiki/StreamingGuide may be useful to ya. On Fri, Jul 20, 2018 at 5:20 AM, hans gerte wrote: > Hi all. > need some advise on parameters for live streaming. > This is currently my string, it takes the stream from tvheaedned: > need to lower the bitstream as im send

[FFmpeg-user] Live streaming encryption AES example configuration

2018-07-23 Thread Pedro Daniel Costa
Hi guys Quick question, i have seen some comments about encrypting live stream with AES key I am using a live transcoding atm, I am willing to test live encryption on the live transcoding on the fly how can I do this, I have not seen any configuration examples so far. Can I configure it on F

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

2018-07-23 Thread Another Sillyname
Yes, but honestly I think you are over simplifying it.. For example, are you intending to capturing scenes with high activity that requires a much higher bandwidth and transcoding capability? Anyone can capture and transcode to say H265 even, 4K@60FPS if you're just capturing a black backdrop

[FFmpeg-user] RES: issue with monitoring script

2018-07-23 Thread Pedro Daniel Costa
Hiya robertlazarski Thxs for your input, it worked like a charm, managed to get te output log to stdout and with tail -f on the output file log i managed to check the issue which was a simple /path location of ffserver and config files Now everything fully automated, It checks if its running li

Re: [FFmpeg-user] Autolaunch FFMPEG when network traffic detected

2018-07-23 Thread Anthony Griffiths
need more info. what do you mean exactly when you say "as soon as it receives a stream".. Please give more details of your whole setup ie: the operating system yr using and more. On Fri, Jul 20, 2018 at 2:24 PM, Yannick Barbeaux wrote: > Thank you Anthony. > How do you fill the log file? With ipt

Re: [FFmpeg-user] ffmpeg audio distortion using blackmagic

2018-07-23 Thread Flumotion Support
Hello everybody If I understood you correctly to avoid corruption, I need to add the option -async 1 -vsync 1 in my ffmpeg pipeline is this correct?, now i will make some test with ffmepg 4 and the new driver included on version 10.11.1 blacmagic. Thanks for your help Best regards On Sun, Jul 22

Re: [FFmpeg-user] multiple outputs to different processes

2018-07-23 Thread Dragan Randjelovic
the following works with a note that piping takes precedence irregardless of a named pipe position in the tee muxer command in other words if there is a connection on port 9000 all 3 streams will be delivered: -f tee "[f=mpegts]pipe:1|[f=mpegts]udp://ip_address:1|[f=rtp_mpegts]rtp://ip_addres

Re: [FFmpeg-user] tee pseudo muxer instance -> pipe to ncat

2018-07-23 Thread Dragan Randjelovic
the following works with a note that piping takes precedence irregardless of a named pipe position in the tee muxer command in other words if there is a connection on port 9000 all 3 streams will be delivered: -f tee "[f=mpegts]pipe:1|[f=mpegts]udp://ip_address:1|[f=rtp_mpegts]rtp://ip_address

[FFmpeg-user] Stream hangs for few sec

2018-07-23 Thread hans gerte
Hi all, need some help. i have a stream that im transcoding, but after some minutes i hangs for few sec and then continues streaming, and then hangs again. Here's the string where it hangs/freezes: ffmpeg -f mpegts -i http://username:password@192.168.0.14:4445/stream/channelid/14 -vcodec libx264 -

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

2018-07-23 Thread Roger Pack
It "should" work assuming your transcoding/disk can keep up with realtime ... On Thu, Jun 28, 2018 at 3:50 PM, Jim DeLaHunt wrote: > 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 >>> of