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Use AV_RN32 for an unaligned read in the mxg demuxer.

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Fixes ticket #2707.
This commit is contained in:
Carl Eugen Hoyos 2013-06-26 09:33:44 +02:00
parent e59fb3f8b1
commit 35aed74fdc
1 changed files with 1 additions and 1 deletions
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2
libavformat/mxg.c
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@ -74,7 +74,7 @@ static int mxg_read_header(AVFormatContext *s)
static uint8_t* mxg_find_startmarker(uint8_t *p, uint8_t *end) static uint8_t* mxg_find_startmarker(uint8_t *p, uint8_t *end)
{ {
for (; p < end - 3; p += 4) { for (; p < end - 3; p += 4) {
uint32_t x = *(uint32_t*)p; uint32_t x = AV_RN32(p);
if (x & (~(x+0x01010101)) & 0x80808080) { if (x & (~(x+0x01010101)) & 0x80808080) {
if (p[0] == 0xff) { if (p[0] == 0xff) {