avfilter: rename scale.c,h to scale_eval

scale.c is too generic; scale_eval is more representative

libavfilter/Makefile

@@ -359,12 +359,12 @@ OBJS-$(CONFIG_ROBERTS_OPENCL_FILTER)         += vf_convolution_opencl.o opencl.o
                                                 opencl/convolution.o
 OBJS-$(CONFIG_ROTATE_FILTER)                 += vf_rotate.o
 OBJS-$(CONFIG_SAB_FILTER)                    += vf_sab.o
-OBJS-$(CONFIG_SCALE_FILTER)                  += vf_scale.o scale.o
-OBJS-$(CONFIG_SCALE_CUDA_FILTER)             += vf_scale_cuda.o vf_scale_cuda.ptx.o scale.o
-OBJS-$(CONFIG_SCALE_NPP_FILTER)              += vf_scale_npp.o scale.o
+OBJS-$(CONFIG_SCALE_FILTER)                  += vf_scale.o scale_eval.o
+OBJS-$(CONFIG_SCALE_CUDA_FILTER)             += vf_scale_cuda.o vf_scale_cuda.ptx.o scale_eval.o
+OBJS-$(CONFIG_SCALE_NPP_FILTER)              += vf_scale_npp.o scale_eval.o
 OBJS-$(CONFIG_SCALE_QSV_FILTER)              += vf_scale_qsv.o
-OBJS-$(CONFIG_SCALE_VAAPI_FILTER)            += vf_scale_vaapi.o scale.o vaapi_vpp.o
-OBJS-$(CONFIG_SCALE2REF_FILTER)              += vf_scale.o scale.o
+OBJS-$(CONFIG_SCALE_VAAPI_FILTER)            += vf_scale_vaapi.o scale_eval.o vaapi_vpp.o
+OBJS-$(CONFIG_SCALE2REF_FILTER)              += vf_scale.o scale_eval.o
 OBJS-$(CONFIG_SCROLL_FILTER)                 += vf_scroll.o
 OBJS-$(CONFIG_SELECT_FILTER)                 += f_select.o
 OBJS-$(CONFIG_SELECTIVECOLOR_FILTER)         += vf_selectivecolor.o

libavfilter/scale.c → libavfilter/scale_eval.c

@@ -19,7 +19,7 @@
  */
 
 #include <stdint.h>
-#include "scale.h"
+#include "scale_eval.h"
 #include "libavutil/eval.h"
 #include "libavutil/mathematics.h"
 #include "libavutil/pixdesc.h"

libavfilter/scale.h → libavfilter/scale_eval.h

@@ -16,8 +16,8 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#ifndef AVFILTER_SCALE_H
-#define AVFILTER_SCALE_H
+#ifndef AVFILTER_SCALE_EVAL_H
+#define AVFILTER_SCALE_EVAL_H
 
 #include "avfilter.h"
 

libavfilter/vf_scale.c

@@ -29,7 +29,7 @@
 #include "avfilter.h"
 #include "formats.h"
 #include "internal.h"
-#include "scale.h"
+#include "scale_eval.h"
 #include "video.h"
 #include "libavutil/avstring.h"
 #include "libavutil/internal.h"

libavfilter/vf_scale_cuda.c

@@ -35,7 +35,7 @@
 #include "avfilter.h"
 #include "formats.h"
 #include "internal.h"
-#include "scale.h"
+#include "scale_eval.h"
 #include "video.h"
 
 static const enum AVPixelFormat supported_formats[] = {

libavfilter/vf_scale_npp.c

@@ -37,7 +37,7 @@
 #include "avfilter.h"
 #include "formats.h"
 #include "internal.h"
-#include "scale.h"
+#include "scale_eval.h"
 #include "video.h"
 
 #define CHECK_CU(x) FF_CUDA_CHECK_DL(ctx, device_hwctx->internal->cuda_dl, x)

libavfilter/vf_scale_vaapi.c

@@ -26,7 +26,7 @@
 #include "avfilter.h"
 #include "formats.h"
 #include "internal.h"
-#include "scale.h"
+#include "scale_eval.h"
 #include "video.h"
 #include "vaapi_vpp.h"