Re: [FFmpeg-user] Could not write header for output file #0 (incorrect codec parameters ?)

On 20/07/15 16:02, Carl Eugen Hoyos wrote: > MrNice iol.ie> writes: > >> [video4linux2,v4l20x1d33fa0] Thread >> message queue blocking; consider raising the >> thread_queue_size option (current value: 8) > >> Thread message queue blocking; >> What does this warning mean? > >> How to remo

Re: [FFmpeg-user] Problem with FFMPEG Live Stream Pushing

Thank you. I updated my FFMPEG. Now it is: ffmpeg version N-73929-ga906e86 Copyright (c) 2000-2015 the FFmpeg developers built with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04) configuration: --prefix=/home/shubhmoy/ffmpeg_build --pkg-config-flags=--static --extra-cflags=-I/home/shubhmoy/

[FFmpeg-user] ffmpeg streaming on ARM

Hi, I’ve been trying to stream a video file from our custom board (Altera cyclone V SoC ) using the below command. ffmpeg -re -i test.mp4 -f mpegts -an udp://@192.168.2.11:1234 but video’s native video rate was 24fps but ffmpeg could encode only at 15fps and stream. Any setting/parame

[FFmpeg-user] Is it possible to have ffmpeg pause and resume based on icecast metadata values changing?

I've had some luck doing the pause/resume thing with CONT and STOP signals. And I think I could also script this with expect/tcl such that I could send those signals based on output from ffmpeg. However, I only ever see the icecast metadata when starting ffmpeg (both listed in Input #0 and Output

[FFmpeg-user] frame extract is not accurate enough

Greetings, FFmpeg users! I'm trying to OCR some presentation videos, using ffmpeg to extract frames. I need to figure out the exact locations of each transitions, and there's no other method to do that than inspecting the number of the output frame. The command is the following: /home/gergo/ff

Re: [FFmpeg-user] frame extract is not accurate enough

On Fri, Jul 24, 2015 at 09:15:16 +, Gergely Lukácsy wrote: Apart from everything else: > The strange thing that the total number of frames (300) produced is bigger > than what the video duration (496 s) and the 1 sec framerate would indicate. Smaller, you meant to say? Actually, you mistype

Re: [FFmpeg-user] ffserver rtsp stream transmits only audio

On Tue, Jul 21, 2015 at 6:44 PM, En Figureo Canal wrote: > > > On Tue, Jul 21, 2015 at 6:23 PM, Moritz Barsnick wrote: > >> On Tue, Jul 21, 2015 at 18:18:17 -0400, En Figureo Canal wrote: >> > problems with rtsp streaming with ffserver. >> [...] >> > Format rtp >> >> Is RTP identical to

[FFmpeg-user] FFMPEG build error due to MFX

Hi all, Having a problem building FFmpeg with QSV to run on Centos. tried building mfx first, it demanded vaapi, which in turn needed dxorg, and another 6-8 libs, got most through yum others built locally. Eventually mfx configured and built without any errors. FFmpeg v.2.7.2 with simple configur

[FFmpeg-user] Running multiple ffmpeg commands with minimal loss in quality

Hi everyone, I'm writing a video editor which will push out a large json file that includes the videos and a series of edits that were performed upon them. I have a python application which parses the json and runs ffmpeg commands to do things like overlay, scale and trim videos, render text, rend

[FFmpeg-user] Copy-capturing h264 input while force-rewriting the PTS

Hello! I have a Logitech C920 affected by a know-yet-wontfix kernel uvc-video bug[1]. Given That I need a relatively recent kernel and it looks like the problematic patch in 3.17+ will not be reverted, I am hoping that ffmpeg can somehow help me with a workaround. The problem in short is tha

[FFmpeg-user] How to capture an RTMP stream

I'm trying to record some of this stream: rtmp://cp258849.live.edgefcs.net/live/SonLife0616@327662 VLC will play this, so I thought it would be easy :-) ffmpeg -i "rtmp://cp258849.live.edgefcs.net/live/SonLife0616@327662" -rtmp_live live test.mp4 ffmpeg version N-73907-gc169243 Copyright (c)