Re: [FFmpeg-user] Create video frame by frame using pipes - Can't get FFmpeg to finish up

2018-02-01 Thread Joshua Grauman
Hey. Im trying to build a video frame by frame by passing frames to FFmpeg via a pipe (in this case an anonymous pipe). I did something similar in C++ using Qt. I simply wrote raw image data to stdout using fwrite like: fwrite((unsigned char *)sharedMemory.constData()+16, sharedMemory.size()-1

Re: [FFmpeg-user] Video Watermark image

2018-02-01 Thread Lou Logan
On Wed, Jan 31, 2018, at 10:47 PM, Jay Raval wrote: > ffmpeg version 3.3.4 Copyright (c) 2000-2017 the FFmpeg developers > built with gcc 4.4.7 (GCC) 20120313 (Red Hat 4.4.7-18) > configuration: --enable-postproc Your ffmpeg does not support any H.264 video encoders, so it defaults to using t

[FFmpeg-user] Create video frame by frame using pipes - Can't get FFmpeg to finish up

2018-02-01 Thread Günther Schrenk
Hey. Im trying to build a video frame by frame by passing frames to FFmpeg via a pipe (in this case an anonymous pipe). Operating System: Windows 10 My language is C++. Trying to follow this Python tutorial : http://zulko.github.io/blog/2013/09/27/read-and-write-video-frames-in-python-using-ffmpe

[FFmpeg-user] Video Watermark image

2018-02-01 Thread Jay Raval
Hi I have use video watermark image it is successfully Make video with watermark image but Video of picture is not show in player, After Video download It Perfectly play video with image watermark So,Please solve my problem *Input :* ffmpeg -i /usr/www/temp_files/files/20171101084025.mp4 -i /us

[FFmpeg-user] FFMPEG dropping the first two frames of segments generated through seeking

2018-02-01 Thread Fernando Peña D'Andrea
Hello, all! I'm trying to script-cut a 24 fps video and it gets close to the right thing, except for two missing frames at the beginning of every segment I cut with seeking. I've found out that index-frames (keyframes) could become an issue for seeking, so I first create an intermediate file with

Re: [FFmpeg-user] Broken video in rtmp stream to Wowza using tee pseudo-muxer

2018-02-01 Thread Erwin Eggenberger
Oops! Forgot to remove the credentials for the rtmp stream from the command output. Already changed it ;-) Am 01.02.2018 um 13:52 schrieb Erwin Eggenberger: > Hi Carl Eugen, > > I finally had the chance to look into this again. Here's the command and > its output that isn't working: > > ffmpeg -

Re: [FFmpeg-user] Broken video in rtmp stream to Wowza using tee pseudo-muxer

2018-02-01 Thread Erwin Eggenberger
Hi Carl Eugen, I finally had the chance to look into this again. Here's the command and its output that isn't working: ffmpeg -y -v info -f x11grab -draw_mouse 0 -r 25 -s 1280x720 \ -thread_queue_size 4096 -i :0.0+0,0 -f alsa -thread_queue_size 4096 \ -i hw:0,1,0 -acodec aac -strict -2 -ar 4410