MAGIC 57 libavformat/jvdec.c if (pd->buf[0] == 'J' && pd->buf[1] == 'V' && strlen(MAGIC) <= pd->buf_size - 4 && MAGIC 58 libavformat/jvdec.c !memcmp(pd->buf + 4, MAGIC, strlen(MAGIC))) MAGIC 58 libavformat/paf.c if ((p->buf_size >= strlen(MAGIC)) && MAGIC 59 libavformat/paf.c !memcmp(p->buf, MAGIC, strlen(MAGIC)))