avcodec: Constify frame->data pointers for encoders where possible

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/libavcodec/targaenc.c b/libavcodec/targaenc.c
index f439ba0dc6..7fb8e28c85 100644
--- a/libavcodec/targaenc.c
+++ b/libavcodec/targaenc.c
@@ -72,7 +72,7 @@ static int targa_encode_normal(uint8_t *outbuf, const AVFrame *pic, int bpp, int
 {
     int i, n = bpp * w;
     uint8_t *out = outbuf;
-    uint8_t *ptr = pic->data[0];
+    const uint8_t *ptr = pic->data[0];
 
     for(i=0; i < h; i++) {
         memcpy(out, ptr, n);