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vlc web plugin does not play file with format BVOP =yes

Posted: 04 Mar 2014 10:53
by rishi
i have a TS file which i whant to play using vlc web plugin.
The ts file plays fine in ffmpeg but it does not play in vlc player and vlc web plugin
If i cut the file using ffmpeg and then play it using vlc it works fine.
The information using mediainfo is as follows:
For the original file
Video
ID : 525 (0x20D)
Menu ID : 4016 (0xFB0)
Format : MPEG Video
Format version : Version 2
Format profile : Main@Main
Format settings, BVOP : Yes
Format settings, Matrix : Custom
Format settings, GOP : Variable
Codec ID : 2
Duration : 2mn 0s
Bit rate mode : Variable
Bit rate : 3 354 Kbps
Maximum bit rate : 15.0 Mbps
Width : 704 pixels
Height : 576 pixels
Display aspect ratio : 16:9
Frame rate : 25.000 fps
Standard : PAL
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Interlaced
Scan order : Top Field First
Compression mode : Lossy
Bits/(Pixel*Frame) : 0.331
Stream size : 48.2 MiB (90%)

Audio
ID : 122 (0x7A)
Menu ID : 4016 (0xFB0)
Format : MPEG Audio
Format version : Version 1
Format profile : Layer 2
Codec ID : 4
Duration : 2mn 0s
Bit rate mode : Constant
Bit rate : 192 Kbps
Channel(s) : 2 channels
Sampling rate : 48.0 KHz
Compression mode : Lossy
Delay relative to video : -124ms
Stream size : 2.77 MiB (5%)
Language : Dutch


for the same file after cutting it using ffmpeg
Video
ID : 256 (0x100)
Menu ID : 1 (0x1)
Format : MPEG Video
Format version : Version 2
Format profile : Main@Main
Format settings, BVOP : Yes
Format settings, Matrix : Custom
Format settings, GOP : M=3, N=18
Codec ID : 2
Duration : 4s 720ms
Bit rate mode : Variable
Bit rate : 3 601 Kbps
Maximum bit rate : 15.0 Mbps
Width : 704 pixels
Height : 576 pixels
Display aspect ratio : 16:9
Frame rate : 25.000 fps
Standard : PAL
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Interlaced
Scan order : Top Field First
Compression mode : Lossy
Bits/(Pixel*Frame) : 0.355
Stream size : 2.03 MiB (90%)

Audio
ID : 257 (0x101)
Menu ID : 1 (0x1)
Format : MPEG Audio
Format version : Version 1
Format profile : Layer 2
Codec ID : 3
Duration : 5s 16ms
Bit rate mode : Constant
Bit rate : 192 Kbps
Channel(s) : 2 channels
Sampling rate : 48.0 KHz
Compression mode : Lossy
Delay relative to video : -428ms
Stream size : 118 KiB (5%)
Language : Dutch
what i have observed is that the GOP setting has changed from variable to M=3 N=18 and i am able to play the file.
Also i have other ts where only the BVOP parameters are different. the one with "NO" plays in vlc/vlc web plugin but one with BVOP="YES" does not..
Any idea??

Re: vlc web plugin does not play file with format BVOP =yes

Posted: 09 Mar 2014 07:31
by rishi
hi what I have found out is after changing the demux parameter to av format (Tools->Preferences->select all->input codecs->demuxers->demux module to Acformat demuxer) the file plays correctly in vlc... but how to pass this parameter to vlc web plugin...plz help.. I am stuck