[libav-commits] vf_pad/scale: use double precision for aspect ratios.

Anton Khirnov git at libav.org
Sat Oct 6 07:30:27 CEST 2012


Module: libav
Branch: master
Commit: ba04177eeb690ba4e93ec30fc8eb02f5319f844b

Author:    Anton Khirnov <anton at khirnov.net>
Committer: Anton Khirnov <anton at khirnov.net>
Date:      Fri Oct  5 14:45:30 2012 +0200

vf_pad/scale: use double precision for aspect ratios.

Fixes Bug 203.

CC:libav-stable at libav.org

---

 libavfilter/vf_pad.c   |    2 +-
 libavfilter/vf_scale.c |    4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/libavfilter/vf_pad.c b/libavfilter/vf_pad.c
index 2291b13..8adab3b 100644
--- a/libavfilter/vf_pad.c
+++ b/libavfilter/vf_pad.c
@@ -160,7 +160,7 @@ 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_A]     = (double) inlink->w / inlink->h;
     var_values[VAR_HSUB]  = 1<<pad->hsub;
     var_values[VAR_VSUB]  = 1<<pad->vsub;
 
diff --git a/libavfilter/vf_scale.c b/libavfilter/vf_scale.c
index 949691f..4941e8d 100644
--- a/libavfilter/vf_scale.c
+++ b/libavfilter/vf_scale.c
@@ -167,9 +167,9 @@ static int config_props(AVFilterLink *outlink)
     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_DAR]   = var_values[VAR_A]  = (float) inlink->w / inlink->h;
+    var_values[VAR_DAR]   = var_values[VAR_A]  = (double) 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;
+        (double) inlink->sample_aspect_ratio.num / inlink->sample_aspect_ratio.den : 1;
     var_values[VAR_HSUB]  = 1<<av_pix_fmt_descriptors[inlink->format].log2_chroma_w;
     var_values[VAR_VSUB]  = 1<<av_pix_fmt_descriptors[inlink->format].log2_chroma_h;
 



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