RLE: Difference between revisions

From MultimediaWiki
Jump to navigation Jump to search
(reformat list as table and make it readable)
m (link Run Length Encoding)
 
(3 intermediate revisions by the same user not shown)
Line 1: Line 1:
RLE stands for run length encoding and is a general lossless compression method. It is used in many codecs after lossy compression. But some old codecs use only RLE.
RLE stands for [[Run Length Encoding]] and is a general lossless compression method. It is used in many codecs after lossy compression. But some old codecs use only RLE.
* In [[MOV]] files, 'rle ' (lower case) indicates [[Apple QuickTime RLE]].
* In [[MOV]] files, 'rle ' (lower case) indicates [[Apple QuickTime RLE]].
* In [[AVI]], [[BMP]] and [[ASF]] files, RLE indicates [[Microsoft RLE]].
* In [[AVI]], [[BMP]] and [[ASF]] files, RLE indicates [[Microsoft RLE]].
Line 5: Line 5:
* Here's a list of all the known RGB bitmap/BMP formats: http://www.fourcc.org/rgb.php - including:
* Here's a list of all the known RGB bitmap/BMP formats: http://www.fourcc.org/rgb.php - including:


{|
{| border="1"
|-
|-
| BI_RGB      || 0x00000000
| BI_RGB      || 0x00000000
|-
| RGB          || 0x32424752
|-
|-
| BI_RLE8      || 0x00000001  
| BI_RLE8      || 0x00000001  
|-
| RLE8        || 0x38454C52
|-
|-
| BI_RLE4      || 0x00000002  
| BI_RLE4      || 0x00000002  
|-
| RLE4        || 0x34454C52
|-
|-
| BI_BITFIELDS || 0x00000003  
| BI_BITFIELDS || 0x00000003  
|-
|-
| raw         || 0x32776173
| RGB         || 0x32424752
|-
|-
| RGBA        || 0x41424752  
| RGBA        || 0x41424752  
|-
|-
| RGBT        || 0x54424752
| RGBT        || 0x54424752
|-
| RLE4        || 0x34454C52
|-
| RLE8        || 0x38454C52
|-
| raw          || 0x32776173
|}
|}

Latest revision as of 16:40, 28 April 2008

RLE stands for Run Length Encoding and is a general lossless compression method. It is used in many codecs after lossy compression. But some old codecs use only RLE.

BI_RGB 0x00000000
BI_RLE8 0x00000001
BI_RLE4 0x00000002
BI_BITFIELDS 0x00000003
RGB 0x32424752
RGBA 0x41424752
RGBT 0x54424752
RLE4 0x34454C52
RLE8 0x38454C52
raw 0x32776173