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Diffstat (limited to 'doc/encoders.texi')
| -rw-r--r-- | doc/encoders.texi | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/doc/encoders.texi b/doc/encoders.texi index 5c0e489684..21beb17cb5 100644 --- a/doc/encoders.texi +++ b/doc/encoders.texi @@ -518,6 +518,43 @@ be better than any of the two specified individually. In other words, the resulting quality will be the worse one of the two effects. +@item ssim +Set structural similarity (SSIM) displaying method. Possible values: + +@table @samp +@item off +Disable displaying of SSIM information. + +@item avg +Output average SSIM at the end of encoding to stdout. The format of +showing the average SSIM is: + +@example +Average SSIM: %f +@end example + +For users who are not familiar with C, %f means a float number, or +a decimal (e.g. 0.939232). + +@item frame +Output both per-frame SSIM data during encoding and average SSIM at +the end of encoding to stdout. The format of per-frame information +is: + +@example + SSIM: avg: %1.3f min: %1.3f max: %1.3f +@end example + +For users who are not familiar with C, %1.3f means a float number +rounded to 3 digits after the dot (e.g. 0.932). + +@end table + +@item ssim_acc +Set SSIM accuracy. Valid options are integers within the range of +0-4, while 0 gives the most accurate result and 4 computes the +fastest. + @end table @section libx264 |