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pva_probe: make buffer related pointers and function arguments const

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-12-25 01:54:41 +01:00
parent 59693ed96c
commit 28b9099ac1
1 changed files with 2 additions and 2 deletions
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4
libavformat/pva.c
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@ -32,7 +32,7 @@ typedef struct {
int continue_pes; int continue_pes;
} PVAContext; } PVAContext;
static int pva_check(uint8_t *p) { static int pva_check(const uint8_t *p) {
int length = AV_RB16(p + 6); int length = AV_RB16(p + 6);
if (AV_RB16(p) != PVA_MAGIC || !p[2] || p[2] > 2 || p[4] != 0x55 || if (AV_RB16(p) != PVA_MAGIC || !p[2] || p[2] > 2 || p[4] != 0x55 ||
(p[5] & 0xe0) || length > PVA_MAX_PAYLOAD_LENGTH) (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) { static int pva_probe(AVProbeData * pd) {
unsigned char *buf = pd->buf; const unsigned char *buf = pd->buf;
int len = pva_check(buf); int len = pva_check(buf);
if (len < 0) if (len < 0)