avcodec/decoders: Use const uint8_t* to access input packet data

These packets need not be writable, so we must not modify them.

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/libavcodec/hqx.h b/libavcodec/hqx.h
index 3eddaafb29..155ec7f84f 100644
--- a/libavcodec/hqx.h
+++ b/libavcodec/hqx.h
@@ -70,7 +70,7 @@ typedef struct HQXContext {
     int format, dcb, width, height;
     int interlaced;
 
-    uint8_t *src;
+    const uint8_t *src;
     unsigned int data_size;
     uint32_t slice_off[17];