huffyuvencdsp: move shared functions to a new lossless_videoencdsp context

Signed-off-by: James Almer <jamrial@gmail.com>

1 files changed, 0 insertions, 55 deletions

diff --git a/libavcodec/huffyuvencdsp.c b/libavcodec/huffyuvencdsp.c
index f051021094..7edcce872b 100644
--- a/libavcodec/huffyuvencdsp.c
+++ b/libavcodec/huffyuvencdsp.c
@@ -21,38 +21,6 @@
 #include "huffyuvencdsp.h"
 #include "mathops.h"
 
-// 0x7f7f7f7f or 0x7f7f7f7f7f7f7f7f or whatever, depending on the cpu's native arithmetic size
-#define pb_7f (~0UL / 255 * 0x7f)
-#define pb_80 (~0UL / 255 * 0x80)
-
-static void diff_bytes_c(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, intptr_t w)
-{
-    long i;
-
-#if !HAVE_FAST_UNALIGNED
-    if (((long)src1 | (long)src2) & (sizeof(long) - 1)) {
-        for (i = 0; i + 7 < w; i += 8) {
-            dst[i + 0] = src1[i + 0] - src2[i + 0];
-            dst[i + 1] = src1[i + 1] - src2[i + 1];
-            dst[i + 2] = src1[i + 2] - src2[i + 2];
-            dst[i + 3] = src1[i + 3] - src2[i + 3];
-            dst[i + 4] = src1[i + 4] - src2[i + 4];
-            dst[i + 5] = src1[i + 5] - src2[i + 5];
-            dst[i + 6] = src1[i + 6] - src2[i + 6];
-            dst[i + 7] = src1[i + 7] - src2[i + 7];
-        }
-    } else
-#endif
-    for (i = 0; i <= w - (int) sizeof(long); i += sizeof(long)) {
-        long a = *(long *) (src1 + i);
-        long b = *(long *) (src2 + i);
-        *(long *) (dst + i) = ((a | pb_80) - (b & pb_7f)) ^
-                              ((a ^ b ^ pb_80) & pb_80);
-    }
-    for (; i < w; i++)
-        dst[i + 0] = src1[i + 0] - src2[i + 0];
-}
-
 static void diff_int16_c(uint16_t *dst, const uint16_t *src1, const uint16_t *src2, unsigned mask, int w){
     long i;
 #if !HAVE_FAST_UNALIGNED
@@ -79,27 +47,6 @@ static void diff_int16_c(uint16_t *dst, const uint16_t *src1, const uint16_t *sr
         dst[i] = (src1[i] - src2[i]) & mask;
 }
 
-static void sub_hfyu_median_pred_c(uint8_t *dst, const uint8_t *src1,
-                                   const uint8_t *src2, intptr_t w,
-                                   int *left, int *left_top)
-{
-    int i;
-    uint8_t l, lt;
-
-    l  = *left;
-    lt = *left_top;
-
-    for (i = 0; i < w; i++) {
-        const int pred = mid_pred(l, src1[i], (l + src1[i] - lt) & 0xFF);
-        lt     = src1[i];
-        l      = src2[i];
-        dst[i] = l - pred;
-    }
-
-    *left     = l;
-    *left_top = lt;
-}
-
 static void sub_hfyu_median_pred_int16_c(uint16_t *dst, const uint16_t *src1, const uint16_t *src2, unsigned mask, int w, int *left, int *left_top){
     int i;
     uint16_t l, lt;
@@ -120,9 +67,7 @@ static void sub_hfyu_median_pred_int16_c(uint16_t *dst, const uint16_t *src1, co
 
 av_cold void ff_huffyuvencdsp_init(HuffYUVEncDSPContext *c, AVCodecContext *avctx)
 {
-    c->diff_bytes           = diff_bytes_c;
     c->diff_int16           = diff_int16_c;
-    c->sub_hfyu_median_pred = sub_hfyu_median_pred_c;
     c->sub_hfyu_median_pred_int16 = sub_hfyu_median_pred_int16_c;
 
     if (ARCH_X86)