Re: [FFmpeg-user] dynamic image overlay

Thanks for responding. I'd like to alter the overlay image / watermark based on an external condition. So far I've tried pointing the image input to an http servlet that will alter the image data. Didn't work as it seems ffmpeg caches the remote image after the first call. Thanks again -Mar

[FFmpeg-user] mpeg start code?

Greetings, I'm looking to get the right name for a hexadecimal number from the output from ffprobe: ffprobe -i the_lego_movie.vob ffprobe version 2.4.3-1 Copyright (c) 2007-2014 the FFmpeg developers built on Nov 5 2014 00:18:23 with gcc 4.9.1 (Debian 4.9.1-14) configuration: --prefix=/usr -

Re: [FFmpeg-user] MPEG-2 CBR

On 1/22/15, Janez Miklavcic wrote: > Sorry for my late reply... > > I've tested different settings and different hardware (IP to ASI converter > Dektec...) equipment and I found out problem is in ffmpeg. > The problem is greater if picture is moving but if am sending still picture > the problem is

[FFmpeg-user] can not clip/trim some files made by ffmpeg same version

After starting with a raw camera file, after I process it by resizing and/or cropping etc, using the h264 codec, When I later try to use that output file as an input file for further processing, (intending to trim the length and starting time) it gives an error and drops the video stream. Two

Re: [FFmpeg-user] dynamic image overlay

On Thu, Jan 22, 2015 at 10:28 PM, Mark Ambler wrote: > > Hi All,Found this thread on the mailing list from back in 2012. Was it ever > implemented? if yes... any command line samples out there? > > https://ffmpeg.org/pipermail/ffmpeg-user/2012-August/008703.html It says, > Is there currently

[FFmpeg-user] dynamic image overlay

Hi All,Found this thread on the mailing list from back in 2012.  Was it ever implemented?  if yes... any command line samples out there? https://ffmpeg.org/pipermail/ffmpeg-user/2012-August/008703.html thanks -Mark ___ ffmpeg-user mailing list ffmpe

Re: [FFmpeg-user] transcoding mp3 to wav

On 01/22/2015 10:52 AM, Moritz Barsnick wrote: On Thu, Jan 22, 2015 at 10:44:01 -0700, jd1008 wrote: I tried with the params: -ac 2 -ar 44.1k -ab 1600k but to no avail. [...] Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz, stereo, s16, 1411 kb/s I think you don't

Re: [FFmpeg-user] transcoding mp3 to wav

On Thu, Jan 22, 2015 at 10:44:01 -0700, jd1008 wrote: > I tried with the params: -ac 2 -ar 44.1k -ab 1600k but to no avail. [...] > Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz, stereo, > s16, 1411 kb/s I think you don't understand: A 16bit stereo WAV file with 44.1 kH

Re: [FFmpeg-user] transcoding mp3 to wav

On 01/22/2015 10:23 AM, Moritz Barsnick wrote: On Thu, Jan 22, 2015 at 10:08:35 -0700, jd1008 wrote: it does the conversion, but does not honour the bitrate param. How do I force the bitrate param for the ourput? You didn't show us the output of your ffmpeg command. Anyway, your approach is w

Re: [FFmpeg-user] transcoding mp3 to wav

On Thu, Jan 22, 2015 at 10:08:35 -0700, jd1008 wrote: > it does the conversion, but does not honour the bitrate param. > How do I force the bitrate param for the ourput? You didn't show us the output of your ffmpeg command. Anyway, your approach is wrong. The bitrate of a WAV file is defined by i

[FFmpeg-user] transcoding mp3 to wav

Hi, I tried to transcode a few mp3 files to wav using the command for f in *.mp3; do ffmpeg -i "$f" -ab 1600k -y ${f%mp3}wav done it does the conversion, but does not honour the bitrate param. How do I force the bitrate param for the ourput? ___ ffmpeg

Re: [FFmpeg-user] Cutdetection (dynamic threshold) and Fadedetection with ffmpeg

Hi Christoph, > On Jan 22, 2015, at 3:18 AM, Christoph Gerstbauer > wrote: > > Hello > > Is it possible to detect cuts with ffmpeg by using a DYNAMIC threshold? The YDIF value in the signalstats filter could show this. ffprobe -f lavfi movie=DETECT_CUTS.mov,signalstats -show_entries "frame_t

[FFmpeg-user] -timelimit not working.

I'm trying to limit the amount of time my stream runs for but adding -timelimit or -t doesn't seem to do anything. Anyone have any suggestions? ffmpeg -timelimit 30 -r 15 -rtsp_transport tcp -i rtsp:// source.com:557/streaming/channels/0 -an -vcodec copy -f flv rtmp:// 127.0.0.1/live/stream __

[FFmpeg-user] Color conversion - 709 to 601

Hi, I am downscaling an HD movie from 1920x1080 to 720x576 and want to make sure the color conversion is done correctly, which with my current settings I am sure it is not. I am coming from an HD Prores HQ, going to an SD Prores HQ.With my current command (below) it is introducing a very faint g

[FFmpeg-user] Cutdetection (dynamic threshold) and Fadedetection with ffmpeg

Hello Is it possible to detect cuts with ffmpeg by using a DYNAMIC threshold? Additionally: Is it possible to detect fades? (Blackfades, Crossfades) Best Regards Christoph ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/li

Re: [FFmpeg-user] MPEG-2 CBR

Sorry for my late reply... I've tested different settings and different hardware (IP to ASI converter Dektec...) equipment and I found out problem is in ffmpeg. The problem is greater if picture is moving but if am sending still picture the problem is minor. Also I found out that some STBs are sen