int frames, ret;
int framesizes, max_framesizes;
uint32_t header;
- const uint8_t *buf, *buf0, *buf2, *end;
+ const uint8_t *buf, *buf0, *buf2, *buf3, *end;
buf0 = p->buf;
end = p->buf + p->buf_size - sizeof(uint32_t);
buf2 = buf;
for (framesizes = frames = 0; buf2 < end; frames++) {
MPADecodeHeader h;
+ int header_emu = 0;
header = AV_RB32(buf2);
ret = avpriv_mpegaudio_decode_header(&h, header);
if (ret != 0 || end - buf2 < h.frame_size)
break;
+
+ for (buf3 = buf2 + 4; buf3 < buf2 + h.frame_size; buf3++) {
+ uint32_t next_sync = AV_RB32(buf3);
+ header_emu += (next_sync & MP3_MASK) == (header & MP3_MASK);
+ }
+ if (header_emu > 2)
+ break;
buf2 += h.frame_size;
framesizes += h.frame_size;
}