From 288b73f5236b17b979f6fbc162c182e161d8d981 Mon Sep 17 00:00:00 2001 From: Bradley Sepos Date: Mon, 19 Dec 2016 07:43:46 -0500 Subject: [PATCH] macgui: Revise Video tab tooltips. --- macosx/English.lproj/Video.xib | 63 +++++++++++++++++++--------------- 1 file changed, 36 insertions(+), 27 deletions(-) diff --git a/macosx/English.lproj/Video.xib b/macosx/English.lproj/Video.xib index f760ccf7b..0548cadc1 100644 --- a/macosx/English.lproj/Video.xib +++ b/macosx/English.lproj/Video.xib @@ -1,9 +1,9 @@ - + - + @@ -39,9 +39,8 @@ - + - Set the average bitrate. The instantaneous bitrate can be much higher or lower at any point in time. But the average over a long duration will be the value set here. If you need to limit instantaneous bitrate, look into x264's vbv-bufsize and vbv-maxrate settings. @@ -93,9 +92,8 @@ - + - Output framerate. 'Same as source' variable framerate is recommended. Peak framerate is 'same as source' VFR with a peak rate. VFR is incompatible with some players. @@ -123,7 +121,7 @@ - - + @@ -253,12 +251,10 @@ - Set the desired quality factor. The encoder targets a certain quality. The scale used by each video encoder is different.
x264's scale is logarithmic and lower values coorespond to higher quality. So small decreases in value will result in progressively larger increases in the resulting file size. A value of 0 means lossless and will result in a file size that is larger than the original source, unless the source was also lossless.
FFmpeg and Theora's scales are more linear. These encoders do not have a lossless mode. - Set the average bitrate. The instantaneous bitrate can be much higher or lower at any point in time. But the average over a long duration will be the value set here. If you need to limit instantaneous bitrate, look into x264's vbv-bufsize and vbv-maxrate settings. @@ -273,6 +269,11 @@ + Variable Framerate allows each frame to have its own duration, matching the source. + +Peak Framerate is the same as Variable Framerate and limited to the maximum set by Framerate (FPS). Useful for ensuring frame rate compatibility, regardless of the source. + +Constant Framerate forces all frames to be exactly the same duration, set by Framerate (FPS). @@ -307,7 +308,13 @@ - Set the desired quality factor. The encoder targets a certain quality. The scale used by each video encoder is different.
x264's scale is logarithmic and lower values coorespond to higher quality. So small decreases in value will result in progressively larger increases in the resulting file size. A value of 0 means lossless and will result in a file size that is larger than the original source, unless the source was also lossless.
FFmpeg and Theora's scales are more linear. These encoders do not have a lossless mode. + Constant Quality varies bitrate to ensure visual quality remains relatively consistent throughout the video. + +Adjust the quality slider to the right to increase quality (lower number) or to the left to decrease quality (higher number), in small increments of plus or minus 1-2. + +Recommended values for the x264 and x265 encoders are RF 18-28. Higher quality settings may produce extremely large files. + +x264 is lossless at RF 0. @@ -439,11 +446,8 @@ - + - Tune settings to optimize for common scenarios. - -This can improve efficiency for particular source characteristics or set characteristics of the output file. Changes will be applied after the preset but before all other parameters. @@ -462,8 +466,7 @@ This can improve efficiency for particular source characteristics or set charact - Sets and ensures compliance with the specified profile. -Overrides all other settings. + Video encoder profile. Sets and ensures compliance with the specified video compression standard profile. Overrides all other settings. @@ -480,8 +483,9 @@ Overrides all other settings. - + + Video encoder level. Sets and ensures compliance with the specified video compression standard level. Overrides all other settings. @@ -500,8 +504,7 @@ Overrides all other settings. - + @@ -603,10 +612,7 @@ Set this if your device is struggling to play the output (dropped frames). - Adjust encoder settings to trade off compression efficiency against encoding speed. - -This estabilishes your default encoder settings. Tunes, profiles, levels and advances option string will be applied to this. -You should generally set this option to the slowest you can bear since slower settings will result in better quality or smaller files. + Video encoder preset. Adjusts encoder settings to balance compression efficiency and encoding speed. Slower encoder presets may use settings that are less compatible with certain devices. @@ -668,6 +674,9 @@ You should generally set this option to the slowest you can bear since slower se + Additional video encoder options. For advanced use only. + +Syntax: option-1=foo:opt2=bar -- 2.40.0