[theora] Accelerated video output with ffmpeg2theora 0.24

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On Tue, 6 Oct 2009 12:59:18 +0100
Ivo Emanuel Gonçalves <justivo at gmail.com> wrote:

> Hello,
> 
> Please provide links for the original 3GP file and the resulting Ogg
> file, which you describe as playing at twice the speed it should.
> 

of course :)

the original 3gp file:
http://startx.plentyfact.org/theorastuff/original.3gp

using ffmpegtheora 0.24 from Debian squeeze:

$ ffmpeg2theora original.3gp -o theora-0.24.ogg
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'original.3gp':
  Duration: 00:00:45.28, start: 0.000000, bitrate: 385 kb/s
    Stream #0.0(und): Video: mpeg4, yuv420p, 320x240 [PAR 1:1 DAR 4:3],
15 tbr, 1k tbn, 15 tbc Stream #0.1(und): Audio: samr / 0x726D6173, 8000
Hz, mono, s16 Pixel Aspect Ratio: 1.00/1   Frame Aspect Ratio: nan/1
  Resize: 320x240
      0:00:22.60 audio: 0kbps video: 627kbps, time remaining: 00:00:15

result:
http://startx.plentyfact.org/theorastuff/theora-0.24.ogg

-------

2.) using ffmpeg2theora 0.25

$ ./ffmpeg2theora-0.25.linux32.bin original.3gp -o theora-0.25.ogg
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'original.3gp':
  Duration: 00:00:45.28, start: 0.000000, bitrate: 385 kb/s
    Stream #0.0(und): Video: mpeg4, yuv420p, 320x240 [PAR 1:1 DAR 4:3],
15 tbr, 1k tbn, 15 tbc Stream #0.1(und): Audio: libopencore_amrnb, 8000
Hz, 1 channels, s16 Pixel Aspect Ratio: 1.00/1   Frame Aspect Ratio:
nan/1

  0:00:45.28 audio: 19kbps video: 546kbps, time elapsed: 00:00:07

result: 
http://startx.plentyfact.org/theorastuff/theora-0.25.ogg

----------

3.) using ffmpeg2theora 0.25 nightly build

./ffmpeg2theora.linux original.3gp -o theora-0.25-nightly.ogg
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'original.3gp':
  Duration: 00:00:45.28, start: 0.000000, bitrate: 385 kb/s
    Stream #0.0(und): Video: mpeg4, yuv420p, 320x240 [PAR 1:1 DAR 4:3],
15 tbr, 1k tbn, 15 tbc Stream #0.1(und): Audio: libopencore_amrnb, 8000
Hz, 1 channels, s16 Pixel Aspect Ratio: 1.00/1   Frame Aspect Ratio:
nan/1

  0:00:45.28 audio: 19kbps video: 546kbps, time elapsed: 00:00:07

result: 
http://startx.plentyfact.org/theorastuff/theora-0.25-nightly.ogg

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