[FFmpeg-user] h264 not decoding

Rens Dijkshoorn rens at onlinemedia.nl
Fri Apr 29 16:01:28 CEST 2011


Hi Bouke,

I will ask the content owner, the smallest one i have is
1.5 Gb

Regards Rens

hmm, 
Action / sports / helmet cam? 
Do share the model / make, as i want to buy one myself :-) 
Does a straight import in Avid work? 

And just for fun, can i have a look at one of the files? 

Bouke 

----- Original Message ----- 
From: "Rens Dijkshoorn" <rens at onlinemedia.nl> 
To: "FFmpeg user questions and RTFMs" <ffmpeg-user at ffmpeg.org> 
Sent: Friday, April 29, 2011 3:33 PM 
Subject: Re: [FFmpeg-user] h264 not decoding 


> Hi Bouke 
> 
> its not that simple, file is recorded by some sort 
> of flash based camera i'm still waiting on the details 
> about settings type of camera etc. 
> 
> And more files are underway so i would like to bring into 
> our standard workflow. 
> 
> If i just use video copy to h264 the resulting video is 
> not playable at all. During conversion i get these kind 
> of error messages... 
> 
> [h264 @ 0x10100c200] st:0 error, non monotone timestamps 100800 >= 99040 
> [NULL @ 0x101014200] non-existing SPS 2 referenced in buffering 
> periodbits/s 
> [h264 @ 0x10100c200] st:0 error, non monotone timestamps 9882000 >= 
> 9882000/s 
> [h264 @ 0x10100c200] st:0 error, non monotone timestamps 10011600 >= 
> 10011600 
> [NULL @ 0x101014200] non-existing SPS 2 referenced in buffering 
> periodkbits/s 
> [h264 @ 0x10100c200] st:0 error, non monotone timestamps 50425200 >= 
> 50411200 
> 
> sofar no luck 
> 
> Rens 
> 
> 
>> Hi Bouke, 
>> 
>> i'am told Windows Media Player 11 can play without any problems 
>> en free-mts-converter found at 
>> 
>> http://www.topsevenreviews.com/free-mts-converter.html 
>> 
>> can convert into something more usefull, but i would like to handle 
>> the files in my ffmpeg based batch converter on a Mac. 
> 
> Rens, 
> Perhaps copy protection stuff that is messing things up? 
> Where did you get the file? 
> And if it is a one-off, and you have means to convert it, why not use that 
> and just be done with it? 
> 
> Bouke 
> 
> 
>> Regards Rens 
>> 
>> 
>>> Hi, 
>>> 
>>> i would like to convert this TEST.MTS file to something more usable in 
>>> Avid Mediacomposer 
>>> but sofar all programs tested (Avid, VLC, FFmpeg, FFmbc, MpegStreamClip 
>>> Mplayer & Quicktime ) 
>>> failed to decode the file properly, most of the time you get some decode 
>>> macroblocks at the 
>>> top of the picture but about 80 % remains green, we have some audio but 
>>> decoding is poor. 
>> 
>> Eeer, at risk of stating the obvious, 
>> if NOTHING can decode the file, are you sure the file isn't suffering 
>> from 
>> bitrot? 
>> What does play back the file then? 
>> 
>> Bouke 
>> 
>> 
>> 
>>> ffprobe gives the following output. 
>>> 
>>> # ffprobe -pretty TEST.MTS 
>>> 
>>> FFprobe version 0.6.1, Copyright (c) 2007-2010 the FFmpeg developers 
>>> built on Feb 4 2011 11:57:14 with gcc 4.2.1 (Apple Inc. build 5664) 
>>> configuration: 
>>> arch=x86_64 --enable-libmp3lame --enable-libfaac --enable-libvpx --enable-libx264 
>>> --enable-gpl 
>>> --enable-nonfree --enable-pthreads --enable-shared 
>>> 
>>> libavutil 50.15. 1 / 50.15. 1 
>>> libavcodec 52.72. 2 / 52.72. 2 
>>> libavformat 52.64. 2 / 52.64. 2 
>>> libavdevice 52. 2. 0 / 52. 2. 0 
>>> libswscale 0.11. 0 / 0.11. 0 
>>> 
>>> [h264 @ 0x101009200]top block unavailable for requested intra4x4 mode -1 
>>> at 67 0 
>>> [h264 @ 0x101009200]error while decoding MB 67 0, bytestream (312813) 
>>> 
>>> Input #0, mpegts, from 'TEST.MTS': 
>>> Duration: 00:11:53.01, start: 1.000033, bitrate: 23846 kb/s 
>>> Program 1 
>>> Stream #0.0[0x1011]: Video: h264, yuv420p, 1920x1080 [PAR 1:1 DAR 
>>> 16:9], 50 fps, 2250 tbr, 90k tbn, 50 tbc 
>>> Stream #0.1[0x1100]: Audio: pcm_bluray, 48000 Hz, stereo, s16, 1536 
>>> kb/s 
>>> 
>>> Any ideas what to try 


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