avcodec: Add const to decoder packet data pointers
The packets given to decoder need not be writable,
so it is best to access them via const uint8_t*.
Signed-off-by: Andreas Rheinhardt <[email protected]>
diff --git a/libavcodec/dfpwmdec.c b/libavcodec/dfpwmdec.c
index 77c6d2c..d013d4c 100644
--- a/libavcodec/dfpwmdec.c
+++ b/libavcodec/dfpwmdec.c
@@ -38,7 +38,8 @@
// DFPWM codec from https://github.com/ChenThread/dfpwm/blob/master/1a/
// Licensed in the public domain
-static void au_decompress(DFPWMState *state, int fs, int len, uint8_t *outbuf, uint8_t *inbuf)
+static void au_decompress(DFPWMState *state, int fs, int len,
+ uint8_t *outbuf, const uint8_t *inbuf)
{
unsigned d;
for (int i = 0; i < len; i++) {
