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I'll try to describe my situation:

I have an android phone makes video in mp4 format. I like to share this video on my web page and jwplayer. Such that operates well. I use one script to make all and all works fine. I use to convert the file in webm,and Inserting in jwplayer with this type of embedding code:

 <div id="player" align="center">
<script src="jwplayer.js" type="text/javascript"></script>

 <script type="text/javascript"> jwplayer("player").setup({
     height: 270,
     image: "thumb.png",
     levels: [
         {file: 'file.mp4', type: 'video/mp4' },
         {file: 'file.webm', type: 'video/webm' },
     ],
     modes: [
         { type: 'html5' },
         { type: 'flash', src: 'player.swf' }
     ],
     width: 480 }); </script></div>

to convert from mp4 to webm i use simply this command:

avconv -i "$file".mp4 "$file".webm

OK! Now the problem is with my new photo camera. My pentax makes video in AVI and in this case to embedding with my jwplayer I need one mp4 and one webm file.

OK I use this command:

avconv -i "$videoname".AVI -c:v libx264 -crf 23 -c:a libfaac -b:a 192k "$videoname".mp4

the results are positive.

Now if i use to convert this new mp4 in webm with:

avconv -i "$file".mp4 "$file".webm

the webm file doesn't work....

example ffprobe with the avi file:

$ ffprobe IMGP0129.AVI avprobe version 0.8.4-4:0.8.4-0ubuntu0.12.04.1, Copyright (c) 2007-2012 the Libav >developers built on Nov 6 2012 16:51:33 with gcc 4.6.3 Input #0, avi, from 'IMGP0129.AVI': Duration: 00:00:44.64, start: 0.000000, bitrate: 27089 kb/s Stream #0.0: Video: mjpeg, yuvj420p, 1280x720, 30.08 tbr, 30.08 tbn, 30.08 tbc Stream #0.1: Audio: pcm_u8, 32000 Hz, 1 channels, u8, 256 kb/s

example of error message for the webm in output:

avconv -i output.mp4 out2.webm avconv version 0.8.4-4:0.8.4-0ubuntu0.12.04.1, Copyright (c) 2000-2012 the Libav >developers built on Nov 6 2012 16:51:33 with gcc 4.6.3 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'output.mp4': Metadata: major_brand : isom minor_version : 512 compatible_brands: isomiso2avc1mp41 encoder : Lavf53.21.0 Duration: 00:00:04.99, start: 0.000000, bitrate: 2228 kb/s Stream #0.0(und): Video: h264 (Main), yuvj420p, 1280x720, 2193 kb/s, 30.01 fps, >30.01 tbr, 500k tbn, 60.01 tbc Stream #0.1(und): Audio: aac, 32000 Hz, mono, s16, 54 kb/s Incompatible pixel format 'yuvj420p' for codec 'libvpx', auto-selecting format 'yuv420p' [buffer @ 0x2345340] w:1280 h:720 pixfmt:yuvj420p [avsink @ 0x2356540] auto-inserting filter 'auto-inserted scaler 0' between the filter >'src' and the filter 'out' [scale @ 0x2343220] w:1280 h:720 fmt:yuvj420p -> w:1280 h:720 fmt:yuv420p flags:0x4 [libvpx @ 0x23468a0] v1.0.0 Output #0, webm, to 'out2.webm': Metadata: major_brand : isom minor_version : 512 compatible_brands: isomiso2avc1mp41 encoder : Lavf53.21.0 Stream #0.0(und): Video: libvpx, yuv420p, 1280x720, q=-1--1, 200 kb/s, 1k tbn, >30.01 tbc Stream #0.1(und): Audio: libvorbis, 32000 Hz, mono, s16 Stream mapping: Stream #0:0 -> #0:0 (h264 -> libvpx) Stream #0:1 -> #0:1 (aac -> libvorbis) Press ctrl-c to stop encoding [webm @ 0x2344de0] Application provided invalid, non monotonically increasing dts to >**muxer in stream 0: 33 >= 33 *strong text*av_interleaved_write_frame(): Invalid argument**

Any suggestions?

share|improve this question
    
I have been struggling with several problems similar lately. Can you add the error message? Can you add the format ffprobe "$videoname".avi gives to you? –  Davisein Nov 25 '12 at 18:36
    
ok i'm going to update question –  johnny cravatta Nov 25 '12 at 19:18
    
Have you tried putting this --rtmp-liveradio-opts --live. I saw it here: ffmpeg.org/pipermail/ffmpeg-user/2011-June/001315.html –  Davisein Nov 25 '12 at 23:53
    
thanks davisein but this option is used with live streams "rtmp". lists.infradead.org/pipermail/get_iplayer/2011-May/001504.html –  johnny cravatta Nov 26 '12 at 21:54
    
My bad, shame on me :( I was looking for some workaround for you as you had a different problem than me ;) –  Davisein Nov 27 '12 at 10:44

1 Answer 1

finally for some have interest, i use these commands to convert some type of video files:

avconv -i "$videoname".AVI -b 2048k -r 30 -c:a libmp3lame "$videoname".mp4
avconv -i "$videoname".AVI -c:v libx264 -ar 44100 -y "$videoname".flv
avconv -i "$videoname".mp4 -y "$videoname".webm

with these three steps i can embed correctly with my script.

share|improve this answer
    
Just to be nitpicking: You should use the original avi source for the conversion to webm for maximum quality. –  phoibos Feb 5 '13 at 0:03
    
@phoibos,thanks for the suggest, but i'm unable to find correct avconv options to converto directly from avi to webm, can you post some verifyed examples, please.i have tried with "avcvonv -i video.avi -y video.webm" dont'work –  johnny cravatta Feb 15 '13 at 8:10

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