Video passthrough play

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zd59
Posts: 102
Joined: Wed Jan 18, 2017 1:39 pm
Location: EU - Slovenia

Video passthrough play

Post by zd59 »

I have installed GIT version of Zoneminder video surveillance application on Slackware machine.
The video from camera is saved as passthrough h.264 format - unmodified video from camera.
I tested play of a short video clip saved by Zoneminder.
Slackware64-14.2 video play applications:
xine - version v0.99.9

Dragon player -version 2.0
Handbrake -version 1.0.3
VLC-2.2.8 and 3.0.0
ffplay-3.4.0 and 3.4.1

all the above failed to play the video clip!

kplayer-0.7.2-x86_64-2 and Mplayer-1.2.1-5.3.0 (SVN from 8.2.2018)- video clip played without complaint

Have no idea, what's the catch.

Video clip info (from mplayer)
[lavf] stream 0: video (h264), -vid 0
VIDEO: [H264] 640x480 24bpp 10.000 fps 161.1 kbps (19.7 kbyte/s)
Clip info:
major_brand: iso5
minor_version: 512
compatible_brands: iso6mp41
title: Zoneminder Security Recording
encoder: Lavf57.83.100
Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
libavcodec version 56.60.100 (internal)
Selected video codec: [ffh264] vfm: ffmpeg (FFmpeg H.264)

Video clip info form mediainfo (http://mediaarea.net/en/MediaInfo):
Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : High@L3
Format settings : CABAC / 1 Ref Frames
Format settings, CABAC : Yes
Format settings, RefFrames : 1 frame
Format settings, GOP : M=1, N=20
Codec ID : avc1
Codec ID/Info : Advanced Video Coding
Duration : 45 s 190 ms
Bit rate mode : Variable
Bit rate : 161 kb/s
Maximum bit rate : 1 913 kb/s
Width : 640 pixels
Height : 480 pixels
Display aspect ratio : 4:3
Frame rate mode : Variable
Frame rate : 10.000 FPS
Minimum frame rate : 9.091 FPS
Maximum frame rate : 11.111 FPS
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.052
Stream size : 889 KiB (99%)
Color range : Full
Color primaries : BT.709
Transfer characteristics : BT.709
Matrix coefficients : BT.709

What bothers me - ffplay failed. This is problematic, since Zoneminder uses ffplay for video processing. :(
Confirm playing that clip in Zoneminder GUI in Firefox 62.6.0 ESR.
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