opensource/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-08-06 15:49:50 +08:00
Code Issues Packages Projects Releases Wiki Activity

vf_pad: add support for a "sar" variable

Browse Source 
Also add a "dar" alias for "a", for avoiding confusion with sar/dar.
This commit is contained in:
Stefano Sabatini
2011-07-02 17:31:18 +02:00
parent 01151a26c0
commit 0bf02fb1ea
3 changed files with 12 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
libavfilter/vf_pad.c
View File

@ -45,7 +45,8 @@ static const char *var_names[] = {
"out_h", "oh",
"x",
"y",
"a",
"a", "dar",
"sar",
"hsub",
"vsub",
NULL
@ -61,7 +62,8 @@ enum var_name {
VAR_OUT_H, VAR_OH,
VAR_X,
VAR_Y,
VAR_A,
VAR_A, VAR_DAR,
VAR_SAR,
VAR_HSUB,
VAR_VSUB,
VARS_NB
@ -156,7 +158,9 @@ static int config_input(AVFilterLink *inlink)
var_values[VAR_IN_H] = var_values[VAR_IH] = inlink->h;
var_values[VAR_OUT_W] = var_values[VAR_OW] = NAN;
var_values[VAR_OUT_H] = var_values[VAR_OH] = NAN;
var_values[VAR_A] = (float) inlink->w / inlink->h;
var_values[VAR_DAR] = var_values[VAR_A] = (float) inlink->w / inlink->h;
var_values[VAR_SAR] = inlink->sample_aspect_ratio.num ?
(float) inlink->sample_aspect_ratio.num / inlink->sample_aspect_ratio.den : 1;
var_values[VAR_HSUB] = 1<<pad->hsub;
var_values[VAR_VSUB] = 2<<pad->vsub;