Re: [FFmpeg-user] Prove that video file does not have content removed or added

2016-07-22 Thread Peter White
André Luís Duarte wrote: > Hi guys > > I am involved with another project in computer forensic where I have > to prove that several video files are intact (was not added or > removed content). I thought it would be easy but I'm a little > difficulty. I am pretty certain you cannot prove anything

[FFmpeg-user] CUDA CUVID H264/HEVC decoder

2016-07-22 Thread Saelis
Hi, I've seen "CUDA CUVID H264/HEVC decoder" in changelog of ffmpeg 3.1 I'm already using nvidia card (GTX 1080 with Pascal architecture) to do some h264_nvenc and h265_nvenc encodes with version 3.1, works great, but how can I leverage my GPU to decode h264/hevc input files ? Could find any docu

[FFmpeg-user] Prove that video file does not have content removed or added

2016-07-22 Thread André Luís Duarte
Hi guys I am involved with another project in computer forensic where I have to prove that several video files are intact (was not added or removed content). I thought it would be easy but I'm a little difficulty. I thought of running ffprobe command to see the file characteristics and got the

Re: [FFmpeg-user] Get rtsp stream on max speed

2016-07-22 Thread Carl Eugen Hoyos
Ганьков Андрей qsolution.ru> writes: > Is it impossible get video stream in no real time? My initial suspicion is that this would be a server feature but please look up what "rtsp" stands for... Carl Eugen ___ ffmpeg-user mailing list ffmpeg-user@ffm

[FFmpeg-user] Get rtsp stream on max speed

2016-07-22 Thread Ганьков Андрей
Hello all I try get video from archive of dahua video recorder. I found that i can get video through RTSP protocol, like rtsp://admin:admin@192.168.1.129:554/cam/playback?channel=1&starttime=2016_07_21_23_20_00&endtime=2016_07_21_23_59_00 I can play video from archive in VLC, but i want save

Re: [FFmpeg-user] watermark text with background at the bottom center of video

2016-07-22 Thread Peter White
Am 22.07.2016 um 01:58 schrieb davidjesse: > But I get the following errors when I change the x and y params > > drawbox="x=(w-text_w)/2:y=(h-text_h):w=3000:h=10:color=black@1:t=max" That's because the drawbox filter does not know anything about text_w or text_h. Also w and h are the desired