RLE
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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 AVI, BMP and ASF files, RLE indicates Microsoft RLE.
- Here's a list of all the known RGB bitmap/BMP formats: http://www.fourcc.org/rgb.php - including:
| BI_RGB | 0x00000000 |
| BI_RLE8 | 0x00000001 |
| BI_RLE4 | 0x00000002 |
| BI_BITFIELDS | 0x00000003 |
| RGB | 0x32424752 |
| RGBA | 0x41424752 |
| RGBT | 0x54424752 |
| RLE4 | 0x34454C52 |
| RLE8 | 0x38454C52 |
| raw | 0x32776173 |