Difference between revisions of "AVI to OGG test results"

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(Created page with '1. Conversion to OGG using ffmpeg *File used was sample_1238959806.avi, taken from [http://www.filefront.com/13539232/sample.avi/ http://www.filefront.com/13539232/sample.avi/]) …')
 
 
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1. Conversion to OGG using ffmpeg
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[[Main Page]] > [[Documentation]] > [[Format-specific preservation issues]] > [[Audio/Video Interleaved Format]] > AVI to OGG test results
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*File used was sample_1238959806.avi, taken from [http://www.filefront.com/13539232/sample.avi/ http://www.filefront.com/13539232/sample.avi/])
 
*File used was sample_1238959806.avi, taken from [http://www.filefront.com/13539232/sample.avi/ http://www.filefront.com/13539232/sample.avi/])
 +
*Used the following command to convert the file: ffmpeg -i sample_1238959806.avi -s 320x240 -acodec vorbis -ab 128000 -b 400000 sample_1238959806.ogg. (Note: may be preferable to replace -ab 128000 with -aq 100 which results in better audio quality. However, it increases file size to over 9 MB.)
 +
*Some of the metadata in these tables are taken from the FFmpeg metadata that were generated during conversion. These are indicated by FFmpeg in brackets next to the value.
 
<br>
 
<br>
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===File/video stream properties===
  
 
{| border="1" cellpadding="10" cellspacing="0" width=90%
 
{| border="1" cellpadding="10" cellspacing="0" width=90%
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|- style="background-color:#cccccc;"
 
|- style="background-color:#cccccc;"
 
!style="width:20%"|'''Property'''
 
!style="width:20%"|'''Property'''
 +
!style="width:20%"|'''Significant property name'''
 
!style="width:20%"|'''Original'''
 
!style="width:20%"|'''Original'''
 
!style="width:20%"|'''Normalized'''
 
!style="width:20%"|'''Normalized'''
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|FileSize
 
|FileSize
 
|
 
|
 +
|19337814 bytes
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|6874470 bytes
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|-
 +
|Duration
 
|
 
|
 +
|00:02:00:52 (FFmpeg)
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|00:02:00:52 (FFmpeg)
 
|-
 
|-
 +
|Bit rate
 
|
 
|
−
|
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|1283 kb/s
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|
+
|400 kb/s (FFmpeg)
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|-
 +
|Streamcount
 +
|imageStreams, audioStreams
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|2
 +
|2
 
|-
 
|-
−
|
+
|FrameCount
−
|
+
|length
−
|
+
|3013
 +
|3013
 
|-
 
|-
−
|
+
|ImageWidth
−
|
+
|width
−
|
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|384
 +
|320
 
|-
 
|-
−
|
+
|ImageHeight
−
|
+
|height
−
|
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|288
 +
|240
 
|-
 
|-
−
|
+
|BitDepth
−
|
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|bitDepth
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|24
 
|
 
|
 
|-
 
|-
 
|
 
|
 +
|colourModel
 
|
 
|
 
|
 
|
 
|-
 
|-
 
|
 
|
−
|
+
|colourSpace
−
|
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|yuv420p (FFmpeg)
 +
|yuv420p (FFmpeg)
 
|-
 
|-
 
|
 
|
 +
|pixelAspectRatio
 
|
 
|
 
|
 
|
 
|-
 
|-
−
|
+
|FrameRate
−
|
+
|frameRate
−
|
+
|25 per second
 +
|25 per second
 
|-
 
|-
 
|
 
|
−
|
+
|lossless
−
|
+
|No
 +
|No
 
|-
 
|-
 
|
 
|
 +
|compressionRatio
 
|
 
|
 
|
 
|
 
|-
 
|-
−
|
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|Compression
−
|
+
|codec
−
|
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|DivX MS-MPEG-4 Version 3
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|[http://en.wikipedia.org/wiki/Libtheora Theora]
 
|-
 
|-
 
|
 
|
 +
|interlace
 
|
 
|
 
|
 
|
 
|-
 
|-
 
|
 
|
 +
|metadata
 
|
 
|
 
|
 
|
 
|-
 
|-
−
|}<br />
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|}</br>
  
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Note: during conversion "lossless compression" setting was used. If this setting is not used, the image is uncompressed and the filesize is 12MB.
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===Audio stream properties===
 +
 
 +
 
 +
{| border="1" cellpadding="10" cellspacing="0" width=90%
 +
|-
 +
|- style="background-color:#cccccc;"
 +
!style="width:20%"|'''Property'''
 +
!style="width:20%"|'''Original'''
 +
!style="width:20%"|'''Normalized'''
 +
|-
 +
|Codec
 +
|MPEG 1 Audio, Layer 3 (MP3)
 +
|Vorbis
 +
|-
 +
|Channels
 +
|2
 +
|2
 +
|-
 +
|Bit rate
 +
|320 kb/s (FFmpeg)
 +
|128 kb/s (FFmpeg)
 +
|-
 +
|-
 +
|SampleRate
 +
|48000 HZ
 +
|48000 HZ
 +
|-
 +
|BitDepth
 +
|16 (FFmpeg)
 +
|16 (FFmpeg)
 +
|-}<br>

Latest revision as of 14:44, 18 February 2010

Main Page > Documentation > Format-specific preservation issues > Audio/Video Interleaved Format > AVI to OGG test results

  • File used was sample_1238959806.avi, taken from http://www.filefront.com/13539232/sample.avi/)
  • Used the following command to convert the file: ffmpeg -i sample_1238959806.avi -s 320x240 -acodec vorbis -ab 128000 -b 400000 sample_1238959806.ogg. (Note: may be preferable to replace -ab 128000 with -aq 100 which results in better audio quality. However, it increases file size to over 9 MB.)
  • Some of the metadata in these tables are taken from the FFmpeg metadata that were generated during conversion. These are indicated by FFmpeg in brackets next to the value.


File/video stream properties[edit]

Property Significant property name Original Normalized
FileSize 19337814 bytes 6874470 bytes
Duration 00:02:00:52 (FFmpeg) 00:02:00:52 (FFmpeg)
Bit rate 1283 kb/s 400 kb/s (FFmpeg)
Streamcount imageStreams, audioStreams 2 2
FrameCount length 3013 3013
ImageWidth width 384 320
ImageHeight height 288 240
BitDepth bitDepth 24
colourModel
colourSpace yuv420p (FFmpeg) yuv420p (FFmpeg)
pixelAspectRatio
FrameRate frameRate 25 per second 25 per second
lossless No No
compressionRatio
Compression codec DivX MS-MPEG-4 Version 3 Theora
interlace
metadata


Audio stream properties[edit]

Property Original Normalized
Codec MPEG 1 Audio, Layer 3 (MP3) Vorbis
Channels 2 2
Bit rate 320 kb/s (FFmpeg) 128 kb/s (FFmpeg)
SampleRate 48000 HZ 48000 HZ
BitDepth 16 (FFmpeg) 16 (FFmpeg)
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