memmove fixes (Jon Burgess)

Originally committed as revision 2157 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Fabrice Bellard 2003-08-24 22:01:33 +00:00
parent 758cf534f5
commit 228ef9dde1

View File

@ -1460,7 +1460,7 @@ static void seek_to_maindata(MPADecodeContext *s, unsigned int backstep)
uint8_t *ptr;
/* compute current position in stream */
ptr = s->gb.buffer + (get_bits_count(&s->gb)>>3);
ptr = (uint8_t *)(s->gb.buffer + (get_bits_count(&s->gb)>>3));
/* copy old data before current one */
ptr -= backstep;
@ -2376,7 +2376,7 @@ static int decode_frame(AVCodecContext * avctx,
if (check_header(header) < 0) {
/* no sync found : move by one byte (inefficient, but simple!) */
memcpy(s->inbuf, s->inbuf + 1, s->inbuf_ptr - s->inbuf - 1);
memmove(s->inbuf, s->inbuf + 1, s->inbuf_ptr - s->inbuf - 1);
s->inbuf_ptr--;
dprintf("skip %x\n", header);
/* reset free format frame size to give a chance
@ -2402,7 +2402,7 @@ static int decode_frame(AVCodecContext * avctx,
if (len == 0) {
/* frame too long: resync */
s->frame_size = 0;
memcpy(s->inbuf, s->inbuf + 1, s->inbuf_ptr - s->inbuf - 1);
memmove(s->inbuf, s->inbuf + 1, s->inbuf_ptr - s->inbuf - 1);
s->inbuf_ptr--;
} else {
uint8_t *p, *pend;