avfilter/vf_idet: MMX/MMXEXT/SSE2 implementation of idet's filter_line()

integration by Neil Birkbeck, with help from Vitor Sessak.
core SSE2 loop by Skal (pascal.massimino@gmail.com)

Reviewed-by: Clément Bœsch <u@pkh.me>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 6 insertions, 32 deletions

diff --git a/libavfilter/vf_idet.c b/libavfilter/vf_idet.c
index d441a5f07a..4416228431 100644
--- a/libavfilter/vf_idet.c
+++ b/libavfilter/vf_idet.c
@@ -23,37 +23,8 @@
 #include "libavutil/cpu.h"
 #include "libavutil/common.h"
 #include "libavutil/opt.h"
-#include "libavutil/pixdesc.h"
-#include "avfilter.h"
 #include "internal.h"
-
-#define HIST_SIZE 4
-
-typedef enum {
-    TFF,
-    BFF,
-    PROGRSSIVE,
-    UNDETERMINED,
-} Type;
-
-typedef struct {
-    const AVClass *class;
-    float interlace_threshold;
-    float progressive_threshold;
-
-    Type last_type;
-    int prestat[4];
-    int poststat[4];
-
-    uint8_t history[HIST_SIZE];
-
-    AVFrame *cur;
-    AVFrame *next;
-    AVFrame *prev;
-    int (*filter_line)(const uint8_t *prev, const uint8_t *cur, const uint8_t *next, int w);
-
-    const AVPixFmtDescriptor *csp;
-} IDETContext;
+#include "vf_idet.h"
 
 #define OFFSET(x) offsetof(IDETContext, x)
 #define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
@@ -77,7 +48,7 @@ static const char *type2str(Type type)
     return NULL;
 }
 
-static int filter_line_c(const uint8_t *a, const uint8_t *b, const uint8_t *c, int w)
+int ff_idet_filter_line_c(const uint8_t *a, const uint8_t *b, const uint8_t *c, int w)
 {
     int x;
     int ret=0;
@@ -271,7 +242,10 @@ static av_cold int init(AVFilterContext *ctx)
     idet->last_type = UNDETERMINED;
     memset(idet->history, UNDETERMINED, HIST_SIZE);
 
-    idet->filter_line = filter_line_c;
+    idet->filter_line = ff_idet_filter_line_c;
+
+    if (ARCH_X86)
+        ff_idet_init_x86(idet);
 
     return 0;
 }