The VideoLAN Forums

Posted: **03 Sep 2020 15:07**

Hi
i have some videos in .264 format from DVR, this format is not played by vlc,but i am really sure that vlc support AdvancedVideoFormat

sample video here https://we.tl/t-YVdkfDm3T9, video is played in mediaplayes Classic 9but maybe an codedc is isntalled ?)

media info

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General
Complete name                            : C:\Users\artion-pc-2\Desktop\ch01-200903-141854-142042-00p0000000000.264
Format                                   : AVC
Format/Info                              : Advanced Video Codec
File size                                : 8.59 MiB

Video
Format                                   : AVC
Format/Info                              : Advanced Video Codec
Format profile                           : Baseline@L4.2
Format settings, CABAC                   : No
Format settings, ReFrames                : 1 frame
Format settings, GOP                     : M=1, N=50
Width                                    : 1 920 pixels
Height                                   : 1 080 pixels
Display aspect ratio                     : 16:9
Color space                              : YUV
Chroma subsampling                       : 4:2:0
Bit depth                                : 8 bits
Scan type                                : Progressive
Color primaries                          : BT.601 PAL
Transfer characteristics                 : BT.709
Matrix coefficients                      : BT.601

Posted: **03 Sep 2020 16:31**

Rename to .h264

Posted: **04 Sep 2020 18:11**

i have try that ! and did not work,
does it work for you that way?

Posted: **04 Sep 2020 18:22**

Then it's not AVC / H264 format.

Posted: **04 Sep 2020 18:32**

considering that mediaplayer classic , plays it and displays this info, isnt possible that VLC lacks something
and/or it is very "strict" in decoding and could improved to play it ?

Posted: **05 Sep 2020 21:20**

VLC-3.0.2 can play it with forced "H264 video demuxer" in VLC preferences:
Tools > Preferences > Show settings=All > Input/Codecs \ Demuxers: Demux module [H264 video demuxer]
If I check the prerences after VLC restart, next option "HEVC/H.265 video demuxer" is selected in the drop-down list. The 2 options are swapped in current VLC-3.0.11 and the 264 video does not play. "Avformat demuxer" shows a big black video window for a split of second and stops/fails immediately.
The 264 video works normally if it is muxed in mkv container (mkvtoolnix).
I think you should file a bug report with provided sample and a link to this forum thread: https://trac.videolan.org/vlc/

Posted: **06 Sep 2020 10:45**

This stream has troubles, neither MP4Box nor L-Smash would mux it to MP4.

Error message from MP4Box:

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Cannot find H264 start code
Error importing ch01-200903-141854-142042.h264: BitStream Not Compliant

FFmpeg can mux it to MP4 but it also complains:

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Output #0, mp4, to 'ch01-200903-141854-142042.mp4':
  Metadata:
    encoder         : Lavf58.20.100
    Stream #0:0: Video: h264 (Baseline) (avc1 / 0x31637661), yuvj420p(pc, bt470bg/bt470bg/bt709, progressive), 1920x1080, q=2-31, 25 fps, 25 tbr, 1200k tbn, 1200k tbc
Stream mapping:
  Stream #0:0 -> #0:0 (copy)
Press [q] to stop, [?] for help
[mp4 @ 000000ade5acb900] Timestamps are unset in a packet for stream 0. This is deprecated and will stop working in the future. Fix your code to set the timestamps properly

Posted: **06 Sep 2020 16:22**

ticket 25095

Posted: **07 Sep 2020 12:34**

VLC 4 can play it: http://nightlies.videolan.org/

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