#include "libavutil/mem.h"
#include "parser.h"
+#include "internal.h"
static AVCodecParser *av_first_parser = NULL;
int ff_mpeg4video_split(AVCodecContext *avctx, const uint8_t *buf, int buf_size)
{
- int i;
uint32_t state = -1;
+ const uint8_t *ptr = buf, *end = buf + buf_size;
- for (i = 0; i < buf_size; i++) {
- state = state << 8 | buf[i];
+ while (ptr < end) {
+ ptr = avpriv_find_start_code(ptr, end, &state);
if (state == 0x1B3 || state == 0x1B6)
- return i - 3;
+ return ptr - 4 - buf;
}
+
return 0;
}