Merge commit '402fb5550e36dd994b13941ef5499f9087afd345'

[ffmpeg] / libavcodec / ffv1enc.c

diff --git a/libavcodec/ffv1enc.c b/libavcodec/ffv1enc.c
index cf2a13dc6bf03f3752a6d766e72c4ed24f1436c1..39a1501fe73e248854633fcb7dd2398f21b59137 100644 (file)
--- a/libavcodec/ffv1enc.c
+++ b/libavcodec/ffv1enc.c
@@ -405,7 +405,8 @@ static int encode_plane(FFV1Context *s, uint8_t *src, int w, int h,
     return 0;
 }
 
-static int encode_rgb_frame(FFV1Context *s, uint8_t *src[3], int w, int h, const int stride[3])
+static int encode_rgb_frame(FFV1Context *s, const uint8_t *src[3],
+                             int w, int h, const int stride[3])
 {
     int x, y, p, i;
     const int ring_size = s->avctx->context_model ? 3 : 2;
@@ -427,15 +428,15 @@ static int encode_rgb_frame(FFV1Context *s, uint8_t *src[3], int w, int h, const
         for (x = 0; x < w; x++) {
             int b, g, r, av_uninit(a);
             if (lbd) {
-                unsigned v = *((uint32_t*)(src[0] + x*4 + stride[0]*y));
+                unsigned v = *((const uint32_t*)(src[0] + x*4 + stride[0]*y));
                 b =  v        & 0xFF;
                 g = (v >>  8) & 0xFF;
                 r = (v >> 16) & 0xFF;
                 a =  v >> 24;
             } else {
-                b = *((uint16_t*)(src[0] + x*2 + stride[0]*y));
-                g = *((uint16_t*)(src[1] + x*2 + stride[1]*y));
-                r = *((uint16_t*)(src[2] + x*2 + stride[2]*y));
+                b = *((const uint16_t *)(src[0] + x*2 + stride[0]*y));
+                g = *((const uint16_t *)(src[1] + x*2 + stride[1]*y));
+                r = *((const uint16_t *)(src[2] + x*2 + stride[2]*y));
             }
 
             if (s->slice_coding_mode != 1) {
@@ -1016,7 +1017,7 @@ static void encode_slice_header(FFV1Context *f, FFV1Context *fs)
     }
 }
 
-static void choose_rct_params(FFV1Context *fs, uint8_t *src[3], const int stride[3], int w, int h)
+static void choose_rct_params(FFV1Context *fs, const uint8_t *src[3], const int stride[3], int w, int h)
 {
 #define NB_Y_COEFF 15
     static const int rct_y_coeff[15][2] = {
@@ -1052,14 +1053,14 @@ static void choose_rct_params(FFV1Context *fs, uint8_t *src[3], const int stride
             int b, g, r;
             int ab, ag, ar;
             if (lbd) {
-                unsigned v = *((uint32_t*)(src[0] + x*4 + stride[0]*y));
+                unsigned v = *((const uint32_t*)(src[0] + x*4 + stride[0]*y));
                 b =  v        & 0xFF;
                 g = (v >>  8) & 0xFF;
                 r = (v >> 16) & 0xFF;
             } else {
-                b = *((uint16_t*)(src[0] + x*2 + stride[0]*y));
-                g = *((uint16_t*)(src[1] + x*2 + stride[1]*y));
-                r = *((uint16_t*)(src[2] + x*2 + stride[2]*y));
+                b = *((const uint16_t*)(src[0] + x*2 + stride[0]*y));
+                g = *((const uint16_t*)(src[1] + x*2 + stride[1]*y));
+                r = *((const uint16_t*)(src[2] + x*2 + stride[2]*y));
             }
 
             ar = r - lastr;
@@ -1110,9 +1111,9 @@ static int encode_slice(AVCodecContext *c, void *arg)
     const int ps     = av_pix_fmt_desc_get(c->pix_fmt)->comp[0].step_minus1 + 1;
     int ret;
     RangeCoder c_bak = fs->c;
-    uint8_t *planes[3] = {p->data[0] + ps*x + y*p->linesize[0],
-                          p->data[1] + ps*x + y*p->linesize[1],
-                          p->data[2] + ps*x + y*p->linesize[2]};
+    const uint8_t *planes[3] = {p->data[0] + ps*x + y*p->linesize[0],
+                                p->data[1] + ps*x + y*p->linesize[1],
+                                p->data[2] + ps*x + y*p->linesize[2]};
 
     fs->slice_coding_mode = 0;
     if (f->version > 3) {