X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fidctdsp.c;h=b4972211de8674e753b074678bfe7e4530e49feb;hb=5672107ed6961a88fc550885e4c8703597eb345b;hp=8311fab92f79add7b0e7dbfd75190995adef10fc;hpb=f626eaa58e69532ff85044007b2ceb3ce8dd5ed2;p=ffmpeg

diff --git a/libavcodec/idctdsp.c b/libavcodec/idctdsp.c
index 8311fab92f7..b4972211de8 100644
--- a/libavcodec/idctdsp.c
+++ b/libavcodec/idctdsp.c
@@ -80,8 +80,11 @@ av_cold void ff_init_scantable_permutation(uint8_t *idct_permutation,
     }
 }
 
-void ff_put_pixels_clamped(const int16_t *block, uint8_t *av_restrict pixels,
-                           int line_size)
+void (*ff_put_pixels_clamped)(const int16_t *block, uint8_t *pixels, ptrdiff_t line_size);
+void (*ff_add_pixels_clamped)(const int16_t *block, uint8_t *pixels, ptrdiff_t line_size);
+
+static void put_pixels_clamped_c(const int16_t *block, uint8_t *av_restrict pixels,
+                                 ptrdiff_t line_size)
 {
     int i;
 
@@ -135,7 +138,7 @@ static void put_pixels_clamped2_c(const int16_t *block, uint8_t *av_restrict pix
 
 static void put_signed_pixels_clamped_c(const int16_t *block,
                                         uint8_t *av_restrict pixels,
-                                        int line_size)
+                                        ptrdiff_t line_size)
 {
     int i, j;
 
@@ -154,8 +157,8 @@ static void put_signed_pixels_clamped_c(const int16_t *block,
     }
 }
 
-void ff_add_pixels_clamped(const int16_t *block, uint8_t *av_restrict pixels,
-                           int line_size)
+static void add_pixels_clamped_c(const int16_t *block, uint8_t *av_restrict pixels,
+                                 ptrdiff_t line_size)
 {
     int i;
 
@@ -204,17 +207,6 @@ static void add_pixels_clamped2_c(const int16_t *block, uint8_t *av_restrict pix
     }
 }
 
-static void jref_idct_put(uint8_t *dest, int line_size, int16_t *block)
-{
-    ff_j_rev_dct(block);
-    ff_put_pixels_clamped(block, dest, line_size);
-}
-
-static void jref_idct_add(uint8_t *dest, int line_size, int16_t *block)
-{
-    ff_j_rev_dct(block);
-    ff_add_pixels_clamped(block, dest, line_size);
-}
 static void ff_jref_idct4_put(uint8_t *dest, int line_size, int16_t *block)
 {
     ff_j_rev_dct4 (block);
@@ -278,15 +270,17 @@ av_cold void ff_idctdsp_init(IDCTDSPContext *c, AVCodecContext *avctx)
             c->perm_type             = FF_IDCT_PERM_NONE;
         } else {
             if (avctx->idct_algo == FF_IDCT_INT) {
-                c->idct_put  = jref_idct_put;
-                c->idct_add  = jref_idct_add;
+                c->idct_put  = ff_jref_idct_put;
+                c->idct_add  = ff_jref_idct_add;
                 c->idct      = ff_j_rev_dct;
                 c->perm_type = FF_IDCT_PERM_LIBMPEG2;
+#if CONFIG_FAANIDCT
             } else if (avctx->idct_algo == FF_IDCT_FAAN) {
                 c->idct_put  = ff_faanidct_put;
                 c->idct_add  = ff_faanidct_add;
                 c->idct      = ff_faanidct;
                 c->perm_type = FF_IDCT_PERM_NONE;
+#endif /* CONFIG_FAANIDCT */
             } else { // accurate/default
                 c->idct_put  = ff_simple_idct_put_8;
                 c->idct_add  = ff_simple_idct_add_8;
@@ -296,9 +290,9 @@ av_cold void ff_idctdsp_init(IDCTDSPContext *c, AVCodecContext *avctx)
         }
     }
 
-    c->put_pixels_clamped        = ff_put_pixels_clamped;
+    c->put_pixels_clamped        = put_pixels_clamped_c;
     c->put_signed_pixels_clamped = put_signed_pixels_clamped_c;
-    c->add_pixels_clamped        = ff_add_pixels_clamped;
+    c->add_pixels_clamped        = add_pixels_clamped_c;
 
     if (CONFIG_MPEG4_DECODER && avctx->idct_algo == FF_IDCT_XVID)
         ff_xvid_idct_init(c, avctx);
@@ -312,6 +306,9 @@ av_cold void ff_idctdsp_init(IDCTDSPContext *c, AVCodecContext *avctx)
     if (ARCH_X86)
         ff_idctdsp_init_x86(c, avctx, high_bit_depth);
 
+    ff_put_pixels_clamped = c->put_pixels_clamped;
+    ff_add_pixels_clamped = c->add_pixels_clamped;
+
     ff_init_scantable_permutation(c->idct_permutation,
                                   c->perm_type);
 }