lavfi: remove delogo mp wrapper

[ffmpeg] / libavfilter / vf_scale.c

diff --git a/libavfilter/vf_scale.c b/libavfilter/vf_scale.c
index 9ff93bd4116d2390ba13d1ce410369db3f627b1f..044b2843bcaff78148466a66223a6aaefa606b32 100644 (file)
--- a/libavfilter/vf_scale.c
+++ b/libavfilter/vf_scale.c
@@ -26,6 +26,7 @@
 #include "avfilter.h"
 #include "libavutil/avstring.h"
 #include "libavutil/eval.h"
+#include "libavutil/mathematics.h"
 #include "libavutil/pixdesc.h"
 #include "libavutil/avassert.h"
 #include "libswscale/swscale.h"
@@ -39,6 +40,8 @@ static const char *var_names[] = {
     "out_w",  "ow",
     "out_h",  "oh",
     "a",
+    "sar",
+    "dar",
     "hsub",
     "vsub",
     NULL
@@ -53,6 +56,8 @@ enum var_name {
     VAR_OUT_W,  VAR_OW,
     VAR_OUT_H,  VAR_OH,
     VAR_A,
+    VAR_SAR,
+    VAR_DAR,
     VAR_HSUB,
     VAR_VSUB,
     VARS_NB
@@ -158,6 +163,9 @@ static int config_props(AVFilterLink *outlink)
     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_SAR]   = inlink->sample_aspect_ratio.num ?
+        (float) inlink->sample_aspect_ratio.num / inlink->sample_aspect_ratio.den : 1;
+    var_values[VAR_DAR]   = var_values[VAR_A] * var_values[VAR_SAR];
     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;
 
@@ -270,7 +278,8 @@ static int scale_slice(AVFilterLink *link, struct SwsContext *sws, int y, int h,
     ScaleContext *scale = link->dst->priv;
     AVFilterBufferRef *cur_pic = link->cur_buf;
     AVFilterBufferRef *out_buf = link->dst->outputs[0]->out_buf;
-    const uint8_t *in[4], *out[4];
+    const uint8_t *in[4];
+    uint8_t *out[4];
     int in_stride[4],out_stride[4];
     int i;