Re: [FFmpeg-user] Need assistance finding l transcoding

On Friday, 14 December 2018 3:21:40 ACDT James E. Baird wrote: > Hello, > > I am trying to find the most efficient way to take a udp stream (Source OTA) > and transcode video to h.264, audio to AAC, output as 3 aligned cbr > (1500/3500/6000k) streams (udp), gop 2 (60 for 30FPS or 120 for 60FPS) >

[FFmpeg-user] Transcoding h264 to mjpeg using vaapi

Hi all, I am trying to transcoding h264 to mjpeg (for easy editing, that's all). I can do it with ffmpeg, no problem there. But I want to use vaapi for it, works so much faster. I have it all already working, using this command line: ffmpeg -hwaccel vaapi -vaapi_device /dev/dri/card0 -hwacc

Re: [FFmpeg-user] Audio converting and muxing error/warning messages

2018-12-21 0:19 GMT+01:00, Felix Muster : > When I do the following to get the correct duration: > ffmpeg -i audio1.ac3 -f null - > The duration is: 02:24:29.53 > So I have three different durations: > 1. ffprobe tells me about the untouched ac3-file: 02:24:29.54 > [Estimating duration from bit

Re: [FFmpeg-user] cannot build shared libraries on Solaris

2018-12-20 15:24 GMT+01:00, Eric Thomas : > My system administrator downloaded the FFmpeg 4.1 > source code this week, Sorry for being so nosy: Does the following command not work for you? $ curl -O http://ffmpeg.org/releases/ffmpeg-snapshot.tar.bz2 $ tar xf ffmpeg-snapshot.tar.bz2 (Above is a q

Re: [FFmpeg-user] Get exact duration of an mpeg1 file

2018-12-20 14:22 GMT+01:00, Robert Krüger : > On Tue, Dec 18, 2018 at 11:40 PM Carl Eugen Hoyos > wrote: > >> 2018-12-18 21:49 GMT+01:00, Robert Krüger : >> > On Fri, Dec 14, 2018 at 5:28 PM Carl Eugen Hoyos >> wrote: >> > >> >> 2018-12-14 17:19 GMT+01:00, Robert Krüger : >> >> > On Fri, Dec 14,

[FFmpeg-user] android camera

Hello! Please help! Built ffmpeg-4.1 static with android_camera support. Config file attached Trying to grab the android camera from the command line: ffmpeg -f android_camera -vcodec flv1 -f flv /sdcard/capture.flv I get the error: Output file # 0 doesn’t contain any stream Tried various codecs a

[FFmpeg-user] Two-Pass encoding on Android

According to the documentation for using Two-Pass method we have to run ffmpeg twice like this: ffmpeg -y -i input -c:v libx264 -b:v 2600k -pass 1 -an -f mp4 /dev/null && \ ffmpeg -i input -c:v libx264 -b:v 2600k -pass 2 -c:a aac -b:a 128k output.mp4 But When I use these codes I get this error: