From 676856204b84dfaffe329dce8502e834a0dbdb19 Mon Sep 17 00:00:00 2001
From: Timothy Gu <timothygu99@gmail.com>
Date: Fri, 28 Mar 2014 02:32:09 +0100
Subject: [PATCH] DNxHD: make get_pixel_8x4_sym accept ptrdiff_t as stride

---
 libavcodec/dnxhdenc.c     | 4 ++--
 libavcodec/dnxhdenc.h     | 3 ++-
 libavcodec/x86/dnxhdenc.c | 2 +-
 3 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/libavcodec/dnxhdenc.c b/libavcodec/dnxhdenc.c
index 92e69daa95..4b06f6cc03 100644
--- a/libavcodec/dnxhdenc.c
+++ b/libavcodec/dnxhdenc.c
@@ -55,7 +55,7 @@ static const AVClass class = {
 
 static void dnxhd_8bit_get_pixels_8x4_sym(int16_t *restrict block,
                                           const uint8_t *pixels,
-                                          int line_size)
+                                          ptrdiff_t line_size)
 {
     int i;
     for (i = 0; i < 4; i++) {
@@ -79,7 +79,7 @@ static void dnxhd_8bit_get_pixels_8x4_sym(int16_t *restrict block,
 static av_always_inline
 void dnxhd_10bit_get_pixels_8x4_sym(int16_t *restrict block,
                                     const uint8_t *pixels,
-                                    int line_size)
+                                    ptrdiff_t line_size)
 {
     int i;
 
diff --git a/libavcodec/dnxhdenc.h b/libavcodec/dnxhdenc.h
index 232e3348d3..215482ed5e 100644
--- a/libavcodec/dnxhdenc.h
+++ b/libavcodec/dnxhdenc.h
@@ -91,7 +91,8 @@ typedef struct DNXHDEncContext {
     RCCMPEntry *mb_cmp;
     RCEntry   (*mb_rc)[8160];
 
-    void (*get_pixels_8x4_sym)(int16_t * /*align 16*/, const uint8_t *, int);
+    void (*get_pixels_8x4_sym)(int16_t * /* align 16 */,
+                               const uint8_t *, ptrdiff_t);
 } DNXHDEncContext;
 
 void ff_dnxhdenc_init_x86(DNXHDEncContext *ctx);
diff --git a/libavcodec/x86/dnxhdenc.c b/libavcodec/x86/dnxhdenc.c
index 0bab69f67d..26b715cb09 100644
--- a/libavcodec/x86/dnxhdenc.c
+++ b/libavcodec/x86/dnxhdenc.c
@@ -28,7 +28,7 @@
 
 #if HAVE_SSE2_INLINE
 
-static void get_pixels_8x4_sym_sse2(int16_t *block, const uint8_t *pixels, int line_size)
+static void get_pixels_8x4_sym_sse2(int16_t *block, const uint8_t *pixels, ptrdiff_t line_size)
 {
     __asm__ volatile(
         "pxor %%xmm5,      %%xmm5       \n\t"