#include "avformat.h"
#include "avio.h"
-const uint8_t *ff_avc_find_startcode(const uint8_t *p, const uint8_t *end)
+static const uint8_t *ff_avc_find_startcode_internal(const uint8_t *p, const uint8_t *end)
{
const uint8_t *a = p + 4 - ((intptr_t)p & 3);
if ((x - 0x01010101) & (~x) & 0x80808080) { // generic
if (p[1] == 0) {
if (p[0] == 0 && p[2] == 1)
- return p-1;
- if (p[2] == 0 && p[3] == 1)
return p;
+ if (p[2] == 0 && p[3] == 1)
+ return p+1;
}
if (p[3] == 0) {
if (p[2] == 0 && p[4] == 1)
- return p+1;
- if (p[4] == 0 && p[5] == 1)
return p+2;
+ if (p[4] == 0 && p[5] == 1)
+ return p+3;
}
}
}
return end + 3;
}
+const uint8_t *ff_avc_find_startcode(const uint8_t *p, const uint8_t *end){
+ const uint8_t *out= ff_avc_find_startcode_internal(p, end);
+ if(p<out && out<end && !out[-1]) out--;
+ return out;
+}
+
int ff_avc_parse_nal_units(ByteIOContext *pb, const uint8_t *buf_in, int size)
{
const uint8_t *p = buf_in;