[FFmpeg-cvslog] pva_probe: make buffer related pointers and function arguments const

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Tue Dec 25 01:54:41 2012 +0100| [28b9099ac1beabc36446528fe980f4c6549b5740] | committer: Michael Niedermayer

pva_probe: make buffer related pointers and function arguments const

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=28b9099ac1beabc36446528fe980f4c6549b5740
---

 libavformat/pva.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavformat/pva.c b/libavformat/pva.c
index ff8ccee..ae42c83 100644
--- a/libavformat/pva.c
+++ b/libavformat/pva.c
@@ -32,7 +32,7 @@ typedef struct {
     int continue_pes;
 } PVAContext;
 
-static int pva_check(uint8_t *p) {
+static int pva_check(const uint8_t *p) {
     int length = AV_RB16(p + 6);
     if (AV_RB16(p) != PVA_MAGIC || !p[2] || p[2] > 2 || p[4] != 0x55 ||
         (p[5] & 0xe0) || length > PVA_MAX_PAYLOAD_LENGTH)
@@ -41,7 +41,7 @@ static int pva_check(uint8_t *p) {
 }
 
 static int pva_probe(AVProbeData * pd) {
-    unsigned char *buf = pd->buf;
+    const unsigned char *buf = pd->buf;
     int len = pva_check(buf);
 
     if (len < 0)